[Ravenwood] Move redirection classes out of f/b/r

For all redirection classes that are not highly tied to Ravenwood's
internal implementation, they should live side-by-side with the original
code it is replacing.

Bug: 375620876
Flag: EXEMPT host test change only
Test: $ANDROID_BUILD_TOP/frameworks/base/ravenwood/scripts/run-ravenwood-tests.sh
Change-Id: Ia0742d0144e729b1beb8502fdf86978774a59100
Merged-In: I0d4f2c399e3ba10ff95d690a01fc0bbfb2f8d585

5 files changed, 0 insertions, 972 deletions

diff --git a/ravenwood/runtime-helper-src/framework/android/database/CursorWindow_host.java b/ravenwood/runtime-helper-src/framework/android/database/CursorWindow_host.java
deleted file mode 100644
index e21a9cd71a2d..000000000000
--- a/ravenwood/runtime-helper-src/framework/android/database/CursorWindow_host.java
+++ /dev/null
@@ -1,191 +0,0 @@
-/*
- * Copyright (C) 2023 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package android.database;
-
-import android.database.sqlite.SQLiteException;
-import android.os.Parcel;
-import android.util.Base64;
-
-import java.text.DecimalFormat;
-import java.text.ParsePosition;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.List;
-
-public class CursorWindow_host {
-
-    private static final HashMap<Long, CursorWindow_host> sInstances = new HashMap<>();
-    private static long sNextId = 1;
-
-    private String mName;
-    private int mColumnNum;
-    private static class Row {
-        String[] mFields;
-        int[] mTypes;
-    }
-
-    private final List<Row> mRows = new ArrayList<>();
-
-    public static long nativeCreate(String name, int cursorWindowSize) {
-        CursorWindow_host instance = new CursorWindow_host();
-        instance.mName = name;
-        long instanceId = sNextId++;
-        sInstances.put(instanceId, instance);
-        return instanceId;
-    }
-
-    public static void nativeDispose(long windowPtr) {
-        sInstances.remove(windowPtr);
-    }
-
-    public static String nativeGetName(long windowPtr) {
-        return sInstances.get(windowPtr).mName;
-    }
-
-    public static boolean nativeSetNumColumns(long windowPtr, int columnNum) {
-        sInstances.get(windowPtr).mColumnNum = columnNum;
-        return true;
-    }
-
-    public static int nativeGetNumRows(long windowPtr) {
-        return sInstances.get(windowPtr).mRows.size();
-    }
-
-    public static boolean nativeAllocRow(long windowPtr) {
-        CursorWindow_host instance = sInstances.get(windowPtr);
-        Row row = new Row();
-        row.mFields = new String[instance.mColumnNum];
-        row.mTypes = new int[instance.mColumnNum];
-        Arrays.fill(row.mTypes, Cursor.FIELD_TYPE_NULL);
-        instance.mRows.add(row);
-        return true;
-    }
-
-    private static boolean put(long windowPtr, String value, int type, int row, int column) {
-        CursorWindow_host instance = sInstances.get(windowPtr);
-        if (row >= instance.mRows.size() || column >= instance.mColumnNum) {
-            return false;
-        }
-        Row r = instance.mRows.get(row);
-        r.mFields[column] = value;
-        r.mTypes[column] = type;
-        return true;
-    }
-
-    public static int nativeGetType(long windowPtr, int row, int column) {
-        CursorWindow_host instance = sInstances.get(windowPtr);
-        if (row >= instance.mRows.size() || column >= instance.mColumnNum) {
-            return Cursor.FIELD_TYPE_NULL;
-        }
-
-        return instance.mRows.get(row).mTypes[column];
-    }
-
-    public static boolean nativePutString(long windowPtr, String value,
-            int row, int column) {
-        return put(windowPtr, value, Cursor.FIELD_TYPE_STRING, row, column);
-    }
-
-    public static String nativeGetString(long windowPtr, int row, int column) {
-        CursorWindow_host instance = sInstances.get(windowPtr);
-        if (row >= instance.mRows.size() || column >= instance.mColumnNum) {
-            return null;
-        }
-
-        return instance.mRows.get(row).mFields[column];
-    }
-
-    public static boolean nativePutLong(long windowPtr, long value, int row, int column) {
-        return put(windowPtr, Long.toString(value), Cursor.FIELD_TYPE_INTEGER, row, column);
-    }
-
-    public static long nativeGetLong(long windowPtr, int row, int column) {
-        String value = nativeGetString(windowPtr, row, column);
-        if (value == null) {
-            return 0;
-        }
-
-        Number number = new DecimalFormat().parse(value, new ParsePosition(0));
-        return number == null ? 0 : number.longValue();
-    }
-
-    public static boolean nativePutDouble(long windowPtr, double value, int row, int column) {
-        return put(windowPtr, Double.toString(value), Cursor.FIELD_TYPE_FLOAT, row, column);
-    }
-
-    public static double nativeGetDouble(long windowPtr, int row, int column) {
-        String value = nativeGetString(windowPtr, row, column);
-        if (value == null) {
-            return 0;
-        }
-
-        Number number = new DecimalFormat().parse(value, new ParsePosition(0));
-        return number == null ? 0 : number.doubleValue();
-    }
-
-    public static boolean nativePutBlob(long windowPtr, byte[] value, int row, int column) {
-        return put(windowPtr, value == null ? null : Base64.encodeToString(value, 0),
-                Cursor.FIELD_TYPE_BLOB, row, column);
-    }
-
-    public static byte[] nativeGetBlob(long windowPtr, int row, int column) {
-        int type = nativeGetType(windowPtr, row, column);
-        switch (type) {
-            case Cursor.FIELD_TYPE_BLOB: {
-                String value = nativeGetString(windowPtr, row, column);
-                return value == null ? null : Base64.decode(value, 0);
-            }
-            case Cursor.FIELD_TYPE_STRING: {
-                String value = nativeGetString(windowPtr, row, column);
-                return value == null ? null : value.getBytes();
-            }
-            case Cursor.FIELD_TYPE_FLOAT:
-                throw new SQLiteException();
-            case Cursor.FIELD_TYPE_INTEGER:
-                throw new SQLiteException();
-            case Cursor.FIELD_TYPE_NULL:
-            default:
-                return null;
-        }
-    }
-
-    public static void nativeWriteToParcel(long windowPtr, Parcel parcel) {
-        CursorWindow_host window = sInstances.get(windowPtr);
-        parcel.writeString(window.mName);
-        parcel.writeInt(window.mColumnNum);
-        parcel.writeInt(window.mRows.size());
-        for (int row = 0; row < window.mRows.size(); row++) {
-            parcel.writeStringArray(window.mRows.get(row).mFields);
-            parcel.writeIntArray(window.mRows.get(row).mTypes);
-        }
-    }
-
-    public static long nativeCreateFromParcel(Parcel parcel) {
-        long windowPtr = nativeCreate(null, 0);
-        CursorWindow_host window = sInstances.get(windowPtr);
-        window.mName = parcel.readString();
-        window.mColumnNum = parcel.readInt();
-        int rowCount = parcel.readInt();
-        for (int row = 0; row < rowCount; row++) {
-            Row r = new Row();
-            r.mFields = parcel.createStringArray();
-            r.mTypes = parcel.createIntArray();
-            window.mRows.add(r);
-        }
-        return windowPtr;
-    }
-}
diff --git a/ravenwood/runtime-helper-src/framework/android/os/MessageQueue_host.java b/ravenwood/runtime-helper-src/framework/android/os/MessageQueue_host.java
deleted file mode 100644
index 1b63adc4319f..000000000000
--- a/ravenwood/runtime-helper-src/framework/android/os/MessageQueue_host.java
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * Copyright (C) 2023 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package android.os;
-
-import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.atomic.AtomicLong;
-
-public class MessageQueue_host {
-    private static final AtomicLong sNextId = new AtomicLong(1);
-    private static final Map<Long, MessageQueue_host> sInstances = new ConcurrentHashMap<>();
-
-    private boolean mDeleted = false;
-
-    private final Object mPoller = new Object();
-    private volatile boolean mPolling;
-    private volatile boolean mPendingWake;
-
-    private void validate() {
-        if (mDeleted) {
-            // TODO: Put more info
-            throw new RuntimeException("MessageQueue already destroyed");
-        }
-    }
-
-    private static MessageQueue_host getInstance(long id) {
-        MessageQueue_host q = sInstances.get(id);
-        if (q == null) {
-            throw new RuntimeException("MessageQueue doesn't exist with id=" + id);
-        }
-        q.validate();
-        return q;
-    }
-
-    public static long nativeInit() {
-        final long id = sNextId.getAndIncrement();
-        final MessageQueue_host q = new MessageQueue_host();
-        sInstances.put(id, q);
-        return id;
-    }
-
-    public static void nativeDestroy(long ptr) {
-        getInstance(ptr).mDeleted = true;
-        sInstances.remove(ptr);
-    }
-
-    public static void nativePollOnce(android.os.MessageQueue queue, long ptr, int timeoutMillis) {
-        var q = getInstance(ptr);
-        synchronized (q.mPoller) {
-            q.mPolling = true;
-            try {
-                if (q.mPendingWake) {
-                    // Calling with pending wake returns immediately
-                } else if (timeoutMillis == 0) {
-                    // Calling epoll_wait() with 0 returns immediately
-                } else if (timeoutMillis == -1) {
-                    q.mPoller.wait();
-                } else {
-                    q.mPoller.wait(timeoutMillis);
-                }
-            } catch (InterruptedException e) {
-                Thread.currentThread().interrupt();
-            }
-            // Any reason for returning counts as a "wake", so clear pending
-            q.mPendingWake = false;
-            q.mPolling = false;
-        }
-    }
-
-    public static void nativeWake(long ptr) {
-        var q = getInstance(ptr);
-        synchronized (q.mPoller) {
-            q.mPendingWake = true;
-            q.mPoller.notifyAll();
-        }
-    }
-
-    public static boolean nativeIsPolling(long ptr) {
-        var q = getInstance(ptr);
-        return q.mPolling;
-    }
-
-    public static void nativeSetFileDescriptorEvents(long ptr, int fd, int events) {
-        throw new UnsupportedOperationException();
-    }
-}
diff --git a/ravenwood/runtime-helper-src/framework/com/android/internal/os/LongArrayContainer_host.java b/ravenwood/runtime-helper-src/framework/com/android/internal/os/LongArrayContainer_host.java
deleted file mode 100644
index c18c307ad1e3..000000000000
--- a/ravenwood/runtime-helper-src/framework/com/android/internal/os/LongArrayContainer_host.java
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Copyright (C) 2024 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.internal.os;
-
-import java.util.Arrays;
-import java.util.HashMap;
-
-public class LongArrayContainer_host {
-    private static final HashMap<Long, long[]> sInstances = new HashMap<>();
-    private static long sNextId = 1;
-
-    public static long native_init(int arrayLength) {
-        long[] array = new long[arrayLength];
-        long instanceId = sNextId++;
-        sInstances.put(instanceId, array);
-        return instanceId;
-    }
-
-    static long[] getInstance(long instanceId) {
-        return sInstances.get(instanceId);
-    }
-
-    public static void native_setValues(long instanceId, long[] values) {
-        System.arraycopy(values, 0, getInstance(instanceId), 0, values.length);
-    }
-
-    public static void native_getValues(long instanceId, long[] values) {
-        System.arraycopy(getInstance(instanceId), 0, values, 0, values.length);
-    }
-
-    public static boolean native_combineValues(long instanceId, long[] array, int[] indexMap) {
-        long[] values = getInstance(instanceId);
-
-        boolean nonZero = false;
-        Arrays.fill(array, 0);
-
-        for (int i = 0; i < values.length; i++) {
-            int index = indexMap[i];
-            if (index < 0 || index >= array.length) {
-                throw new IndexOutOfBoundsException("Index " + index + " is out of bounds: [0, "
-                        + (array.length - 1) + "]");
-            }
-            if (values[i] != 0) {
-                array[index] += values[i];
-                nonZero = true;
-            }
-        }
-        return nonZero;
-    }
-}
diff --git a/ravenwood/runtime-helper-src/framework/com/android/internal/os/LongArrayMultiStateCounter_host.java b/ravenwood/runtime-helper-src/framework/com/android/internal/os/LongArrayMultiStateCounter_host.java
deleted file mode 100644
index 9ce8ea8e16ef..000000000000
--- a/ravenwood/runtime-helper-src/framework/com/android/internal/os/LongArrayMultiStateCounter_host.java
+++ /dev/null
@@ -1,355 +0,0 @@
-/*
- * Copyright (C) 2023 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.internal.os;
-
-import android.os.BadParcelableException;
-import android.os.Parcel;
-
-import java.util.Arrays;
-import java.util.HashMap;
-
-/**
- * Native implementation substitutions for the LongArrayMultiStateCounter class.
- */
-public class LongArrayMultiStateCounter_host {
-
-    /**
-     * A reimplementation of {@link LongArrayMultiStateCounter}, only in
-     * Java instead of native.  The majority of the code (in C++) can be found in
-     * /frameworks/native/libs/battery/MultiStateCounter.h
-     */
-    private static class LongArrayMultiStateCounterRavenwood {
-        private final int mStateCount;
-        private final int mArrayLength;
-        private int mCurrentState;
-        private long mLastStateChangeTimestampMs = -1;
-        private long mLastUpdateTimestampMs = -1;
-        private boolean mEnabled = true;
-
-        private static class State {
-            private long mTimeInStateSinceUpdate;
-            private long[] mCounter;
-        }
-
-        private final State[] mStates;
-        private final long[] mValues;
-        private final long[] mDelta;
-
-        LongArrayMultiStateCounterRavenwood(int stateCount, int arrayLength) {
-            mStateCount = stateCount;
-            mArrayLength = arrayLength;
-            mStates = new State[stateCount];
-            for (int i = 0; i < mStateCount; i++) {
-                mStates[i] = new State();
-                mStates[i].mCounter = new long[mArrayLength];
-            }
-            mValues = new long[mArrayLength];
-            mDelta = new long[mArrayLength];
-        }
-
-        public void setEnabled(boolean enabled, long timestampMs) {
-            if (enabled == mEnabled) {
-                return;
-            }
-
-            if (!enabled) {
-                setState(mCurrentState, timestampMs);
-                mEnabled = false;
-            } else {
-                if (timestampMs < mLastUpdateTimestampMs) {
-                    timestampMs = mLastUpdateTimestampMs;
-                }
-
-                if (mLastStateChangeTimestampMs >= 0) {
-                    mLastStateChangeTimestampMs = timestampMs;
-                }
-                mEnabled = true;
-            }
-        }
-
-        public void setState(int state, long timestampMs) {
-            if (mEnabled && mLastStateChangeTimestampMs >= 0 && mLastUpdateTimestampMs >= 0) {
-                if (timestampMs < mLastUpdateTimestampMs) {
-                    timestampMs = mLastUpdateTimestampMs;
-                }
-
-                if (timestampMs >= mLastStateChangeTimestampMs) {
-                    mStates[mCurrentState].mTimeInStateSinceUpdate +=
-                            timestampMs - mLastStateChangeTimestampMs;
-                } else {
-                    for (int i = 0; i < mStateCount; i++) {
-                        mStates[i].mTimeInStateSinceUpdate = 0;
-                    }
-                }
-            }
-            mCurrentState = state;
-            mLastStateChangeTimestampMs = timestampMs;
-        }
-
-        public void copyStatesFrom(LongArrayMultiStateCounterRavenwood source) {
-            for (int i = 0; i < mStateCount; i++) {
-                mStates[i].mTimeInStateSinceUpdate = source.mStates[i].mTimeInStateSinceUpdate;
-                Arrays.fill(mStates[i].mCounter, 0);
-            }
-            mCurrentState = source.mCurrentState;
-            mLastStateChangeTimestampMs = source.mLastStateChangeTimestampMs;
-            mLastUpdateTimestampMs = source.mLastUpdateTimestampMs;
-        }
-
-        public void setValue(int state, long[] values) {
-            System.arraycopy(values, 0, mStates[state].mCounter, 0, mArrayLength);
-        }
-
-        public void updateValue(long[] values, long timestampMs) {
-            if (mEnabled || mLastUpdateTimestampMs < mLastStateChangeTimestampMs) {
-                if (timestampMs < mLastStateChangeTimestampMs) {
-                    timestampMs = mLastStateChangeTimestampMs;
-                }
-
-                setState(mCurrentState, timestampMs);
-
-                if (mLastUpdateTimestampMs >= 0) {
-                    if (timestampMs > mLastUpdateTimestampMs) {
-                        if (delta(mValues, values, mDelta)) {
-                            long timeSinceUpdate = timestampMs - mLastUpdateTimestampMs;
-                            for (int i = 0; i < mStateCount; i++) {
-                                long timeInState = mStates[i].mTimeInStateSinceUpdate;
-                                if (timeInState > 0) {
-                                    add(mStates[i].mCounter, mDelta, timeInState, timeSinceUpdate);
-                                    mStates[i].mTimeInStateSinceUpdate = 0;
-                                }
-                            }
-                        } else {
-                            throw new RuntimeException();
-                        }
-                    } else if (timestampMs < mLastUpdateTimestampMs) {
-                        throw new RuntimeException();
-                    }
-                }
-            }
-            System.arraycopy(values, 0, mValues, 0, mArrayLength);
-            mLastUpdateTimestampMs = timestampMs;
-        }
-
-        public void incrementValues(long[] delta, long timestampMs) {
-            long[] values = Arrays.copyOf(mValues, mValues.length);
-            for (int i = 0; i < mArrayLength; i++) {
-                values[i] += delta[i];
-            }
-            updateValue(values, timestampMs);
-        }
-
-        public void addCounts(long[] delta) {
-            if (!mEnabled) {
-                return;
-            }
-
-            for (int i = 0; i < mArrayLength; i++) {
-                mStates[mCurrentState].mCounter[i] += delta[i];
-            }
-        }
-
-        public void getValues(long[] values, int state) {
-            System.arraycopy(mStates[state].mCounter, 0, values, 0, mArrayLength);
-        }
-
-        public void reset() {
-            mLastStateChangeTimestampMs = -1;
-            mLastUpdateTimestampMs = -1;
-            for (int i = 0; i < mStateCount; i++) {
-                mStates[i].mTimeInStateSinceUpdate = 0;
-                Arrays.fill(mStates[i].mCounter, 0);
-            }
-        }
-
-        public void writeToParcel(Parcel parcel) {
-            parcel.writeInt(mStateCount);
-            parcel.writeInt(mArrayLength);
-            for (int i = 0; i < mStateCount; i++) {
-                parcel.writeLongArray(mStates[i].mCounter);
-            }
-        }
-
-        public void initFromParcel(Parcel parcel) {
-            try {
-                for (int i = 0; i < mStateCount; i++) {
-                    parcel.readLongArray(mStates[i].mCounter);
-                }
-            } catch (Exception e) {
-                throw new BadParcelableException(e);
-            }
-        }
-
-        @Override
-        public String toString() {
-            StringBuilder sb = new StringBuilder();
-            sb.append("[");
-            for (int state = 0; state < mStateCount; state++) {
-                if (state != 0) {
-                    sb.append(", ");
-                }
-                sb.append(state).append(": {");
-                for (int i = 0; i < mStates[state].mCounter.length; i++) {
-                    if (i != 0) {
-                        sb.append(", ");
-                    }
-                    sb.append(mStates[state].mCounter[i]);
-                }
-                sb.append("}");
-            }
-            sb.append("]");
-            if (mLastUpdateTimestampMs >= 0) {
-                sb.append(" updated: ").append(mLastUpdateTimestampMs);
-            }
-            if (mLastStateChangeTimestampMs >= 0) {
-                sb.append(" currentState: ").append(mCurrentState);
-                if (mLastStateChangeTimestampMs > mLastUpdateTimestampMs) {
-                    sb.append(" stateChanged: ").append(mLastStateChangeTimestampMs);
-                }
-            } else {
-                sb.append(" currentState: none");
-            }
-            return sb.toString();
-        }
-
-        private boolean delta(long[] values1, long[] values2, long[] delta) {
-            if (delta.length != mArrayLength) {
-                throw new RuntimeException();
-            }
-
-            boolean is_delta_valid = true;
-            for (int i = 0; i < mArrayLength; i++) {
-                if (values2[i] >= values1[i]) {
-                    delta[i] = values2[i] - values1[i];
-                } else {
-                    delta[i] = 0;
-                    is_delta_valid = false;
-                }
-            }
-
-            return is_delta_valid;
-        }
-
-        private void add(long[] counter, long[] delta, long numerator, long denominator) {
-            if (numerator != denominator) {
-                for (int i = 0; i < mArrayLength; i++) {
-                    counter[i] += delta[i] * numerator / denominator;
-                }
-            } else {
-                for (int i = 0; i < mArrayLength; i++) {
-                    counter[i] += delta[i];
-                }
-            }
-        }
-    }
-
-    private static final HashMap<Long, LongArrayMultiStateCounterRavenwood> sInstances =
-            new HashMap<>();
-    private static long sNextId = 1;
-
-    public static long native_init(int stateCount, int arrayLength) {
-        LongArrayMultiStateCounterRavenwood instance = new LongArrayMultiStateCounterRavenwood(
-                stateCount, arrayLength);
-        long instanceId = sNextId++;
-        sInstances.put(instanceId, instance);
-        return instanceId;
-    }
-
-    private static LongArrayMultiStateCounterRavenwood getInstance(long instanceId) {
-        return sInstances.get(instanceId);
-    }
-
-    public static void native_setEnabled(long instanceId, boolean enabled,
-            long timestampMs) {
-        getInstance(instanceId).setEnabled(enabled, timestampMs);
-    }
-
-    public static int native_getStateCount(long instanceId) {
-        return getInstance(instanceId).mStateCount;
-    }
-
-    public static int native_getArrayLength(long instanceId) {
-        return getInstance(instanceId).mArrayLength;
-    }
-
-    public static void native_setValues(long instanceId, int state, long containerInstanceId) {
-        getInstance(instanceId).setValue(state,
-                LongArrayContainer_host.getInstance(containerInstanceId));
-    }
-
-    public static void native_updateValues(long instanceId, long containerInstanceId,
-            long timestampMs) {
-        getInstance(instanceId).updateValue(
-                LongArrayContainer_host.getInstance(containerInstanceId), timestampMs);
-    }
-
-    public static void native_setState(long instanceId, int state, long timestampMs) {
-        getInstance(instanceId).setState(state, timestampMs);
-    }
-
-    public static void native_copyStatesFrom(long targetInstanceId, long sourceInstanceId) {
-        getInstance(targetInstanceId).copyStatesFrom(getInstance(sourceInstanceId));
-    }
-
-    public static void native_incrementValues(long instanceId, long containerInstanceId,
-            long timestampMs) {
-        getInstance(instanceId).incrementValues(
-                LongArrayContainer_host.getInstance(containerInstanceId), timestampMs);
-    }
-
-    public static void native_addCounts(long instanceId, long containerInstanceId) {
-        getInstance(instanceId).addCounts(LongArrayContainer_host.getInstance(containerInstanceId));
-    }
-
-    public static void native_getCounts(long instanceId, long containerInstanceId, int state) {
-        getInstance(instanceId).getValues(LongArrayContainer_host.getInstance(containerInstanceId),
-                state);
-    }
-
-    public static void native_reset(long instanceId) {
-        getInstance(instanceId).reset();
-    }
-
-    public static void native_writeToParcel(long instanceId, Parcel parcel, int flags) {
-        getInstance(instanceId).writeToParcel(parcel);
-    }
-
-    public static long native_initFromParcel(Parcel parcel) {
-        int stateCount = parcel.readInt();
-        if (stateCount < 0 || stateCount > 0xEFFF) {
-            throw new BadParcelableException("stateCount out of range");
-        }
-        // LongArrayMultiStateCounter.cpp uses AParcel, which throws on out-of-data.
-        if (parcel.dataPosition() >= parcel.dataSize()) {
-            throw new RuntimeException("Bad parcel");
-        }
-        int arrayLength = parcel.readInt();
-        if (parcel.dataPosition() >= parcel.dataSize()) {
-            throw new RuntimeException("Bad parcel");
-        }
-        long instanceId = native_init(stateCount, arrayLength);
-        getInstance(instanceId).initFromParcel(parcel);
-        if (parcel.dataPosition() > parcel.dataSize()) {
-            throw new RuntimeException("Bad parcel");
-        }
-        return instanceId;
-    }
-
-    public static String native_toString(long instanceId) {
-        return getInstance(instanceId).toString();
-    }
-}
diff --git a/ravenwood/runtime-helper-src/framework/com/android/internal/os/LongMultiStateCounter_host.java b/ravenwood/runtime-helper-src/framework/com/android/internal/os/LongMultiStateCounter_host.java
deleted file mode 100644
index 1d95aa143549..000000000000
--- a/ravenwood/runtime-helper-src/framework/com/android/internal/os/LongMultiStateCounter_host.java
+++ /dev/null
@@ -1,263 +0,0 @@
-/*
- * Copyright (C) 2024 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.internal.os;
-
-import android.os.BadParcelableException;
-import android.os.Parcel;
-
-import java.util.HashMap;
-
-/**
- * Native implementation substitutions for the LongMultiStateCounter class.
- */
-public class LongMultiStateCounter_host {
-
-    /**
-     * A reimplementation of {@link com.android.internal.os.LongMultiStateCounter}, only in
-     * Java instead of native.  The majority of the code (in C++) can be found in
-     * /frameworks/native/libs/battery/MultiStateCounter.h
-     */
-    private static class LongMultiStateCounterRavenwood {
-        private final int mStateCount;
-        private int mCurrentState;
-        private long mLastStateChangeTimestampMs = -1;
-        private long mLastUpdateTimestampMs = -1;
-        private boolean mEnabled = true;
-
-        private static class State {
-            private long mTimeInStateSinceUpdate;
-            private long mCounter;
-        }
-
-        private final State[] mStates;
-        private long mValue;
-
-        LongMultiStateCounterRavenwood(int stateCount) {
-            mStateCount = stateCount;
-            mStates = new State[stateCount];
-            for (int i = 0; i < mStateCount; i++) {
-                mStates[i] = new State();
-            }
-        }
-
-        public void setEnabled(boolean enabled, long timestampMs) {
-            if (enabled == mEnabled) {
-                return;
-            }
-
-            if (!enabled) {
-                setState(mCurrentState, timestampMs);
-                mEnabled = false;
-            } else {
-                if (timestampMs < mLastUpdateTimestampMs) {
-                    timestampMs = mLastUpdateTimestampMs;
-                }
-
-                if (mLastStateChangeTimestampMs >= 0) {
-                    mLastStateChangeTimestampMs = timestampMs;
-                }
-                mEnabled = true;
-            }
-        }
-
-        public void setState(int state, long timestampMs) {
-            if (mEnabled && mLastStateChangeTimestampMs >= 0 && mLastUpdateTimestampMs >= 0) {
-                if (timestampMs < mLastUpdateTimestampMs) {
-                    timestampMs = mLastUpdateTimestampMs;
-                }
-
-                if (timestampMs >= mLastStateChangeTimestampMs) {
-                    mStates[mCurrentState].mTimeInStateSinceUpdate +=
-                            timestampMs - mLastStateChangeTimestampMs;
-                } else {
-                    for (int i = 0; i < mStateCount; i++) {
-                        mStates[i].mTimeInStateSinceUpdate = 0;
-                    }
-                }
-            }
-            mCurrentState = state;
-            mLastStateChangeTimestampMs = timestampMs;
-        }
-
-        public long updateValue(long value, long timestampMs) {
-            long returnValue = 0;
-            if (mEnabled || mLastUpdateTimestampMs < mLastStateChangeTimestampMs) {
-                if (timestampMs < mLastStateChangeTimestampMs) {
-                    timestampMs = mLastStateChangeTimestampMs;
-                }
-
-                setState(mCurrentState, timestampMs);
-
-                if (mLastUpdateTimestampMs >= 0) {
-                    if (timestampMs > mLastUpdateTimestampMs) {
-                        long delta = value - mValue;
-                        if (delta >= 0) {
-                            returnValue = delta;
-                            long timeSinceUpdate = timestampMs - mLastUpdateTimestampMs;
-                            for (int i = 0; i < mStateCount; i++) {
-                                long timeInState = mStates[i].mTimeInStateSinceUpdate;
-                                if (timeInState > 0) {
-                                    mStates[i].mCounter += delta * timeInState / timeSinceUpdate;
-                                    mStates[i].mTimeInStateSinceUpdate = 0;
-                                }
-                            }
-                        } else {
-                            for (int i = 0; i < mStateCount; i++) {
-                                mStates[i].mTimeInStateSinceUpdate = 0;
-                            }
-                        }
-                    } else if (timestampMs < mLastUpdateTimestampMs) {
-                        for (int i = 0; i < mStateCount; i++) {
-                            mStates[i].mTimeInStateSinceUpdate = 0;
-                        }
-                    }
-                }
-            }
-            mValue = value;
-            mLastUpdateTimestampMs = timestampMs;
-            return returnValue;
-        }
-
-        public void incrementValue(long count, long timestampMs) {
-            updateValue(mValue + count, timestampMs);
-        }
-
-        public long getValue(int state) {
-            return mStates[state].mCounter;
-        }
-
-        public void reset() {
-            mLastStateChangeTimestampMs = -1;
-            mLastUpdateTimestampMs = -1;
-            for (int i = 0; i < mStateCount; i++) {
-                mStates[i].mTimeInStateSinceUpdate = 0;
-                mStates[i].mCounter = 0;
-            }
-        }
-
-        public void writeToParcel(Parcel parcel) {
-            parcel.writeInt(mStateCount);
-            for (int i = 0; i < mStateCount; i++) {
-                parcel.writeLong(mStates[i].mCounter);
-            }
-        }
-
-        public void initFromParcel(Parcel parcel) {
-            try {
-                for (int i = 0; i < mStateCount; i++) {
-                    mStates[i].mCounter = parcel.readLong();
-                }
-            } catch (Exception e) {
-                throw new BadParcelableException(e);
-            }
-        }
-
-        @Override
-        public String toString() {
-            StringBuilder sb = new StringBuilder();
-            sb.append("[");
-            for (int state = 0; state < mStateCount; state++) {
-                if (state != 0) {
-                    sb.append(", ");
-                }
-                sb.append(state).append(": ").append(mStates[state].mCounter);
-            }
-            sb.append("]");
-            if (mLastUpdateTimestampMs >= 0) {
-                sb.append(" updated: ").append(mLastUpdateTimestampMs);
-            }
-            if (mLastStateChangeTimestampMs >= 0) {
-                sb.append(" currentState: ").append(mCurrentState);
-                if (mLastStateChangeTimestampMs > mLastUpdateTimestampMs) {
-                    sb.append(" stateChanged: ").append(mLastStateChangeTimestampMs);
-                }
-            } else {
-                sb.append(" currentState: none");
-            }
-            return sb.toString();
-        }
-    }
-
-    private static final HashMap<Long, LongMultiStateCounterRavenwood> sInstances =
-            new HashMap<>();
-    private static long sNextId = 1;
-
-    public static long native_init(int stateCount) {
-        LongMultiStateCounterRavenwood instance = new LongMultiStateCounterRavenwood(stateCount);
-        long instanceId = sNextId++;
-        sInstances.put(instanceId, instance);
-        return instanceId;
-    }
-
-    private static LongMultiStateCounterRavenwood getInstance(long instanceId) {
-        return sInstances.get(instanceId);
-    }
-
-    public static void native_setEnabled(long instanceId, boolean enabled,
-            long timestampMs) {
-        getInstance(instanceId).setEnabled(enabled, timestampMs);
-    }
-
-    public static int native_getStateCount(long instanceId) {
-        return getInstance(instanceId).mStateCount;
-    }
-
-    public static long native_updateValue(long instanceId, long value, long timestampMs) {
-        return getInstance(instanceId).updateValue(value, timestampMs);
-    }
-
-    public static void native_setState(long instanceId, int state, long timestampMs) {
-        getInstance(instanceId).setState(state, timestampMs);
-    }
-
-    public static void native_incrementValue(long instanceId, long count, long timestampMs) {
-        getInstance(instanceId).incrementValue(count, timestampMs);
-    }
-
-    public static long native_getCount(long instanceId, int state) {
-        return getInstance(instanceId).getValue(state);
-    }
-
-    public static void native_reset(long instanceId) {
-        getInstance(instanceId).reset();
-    }
-
-    public static void native_writeToParcel(long instanceId, Parcel parcel, int flags) {
-        getInstance(instanceId).writeToParcel(parcel);
-    }
-
-    public static long native_initFromParcel(Parcel parcel) {
-        int stateCount = parcel.readInt();
-        if (stateCount < 0 || stateCount > 0xEFFF) {
-            throw new BadParcelableException("stateCount out of range");
-        }
-        // LongMultiStateCounter.cpp uses AParcel, which throws on out-of-data.
-        if (parcel.dataPosition() >= parcel.dataSize()) {
-            throw new RuntimeException("Bad parcel");
-        }
-        long instanceId = native_init(stateCount);
-        getInstance(instanceId).initFromParcel(parcel);
-        if (parcel.dataPosition() > parcel.dataSize()) {
-            throw new RuntimeException("Bad parcel");
-        }
-        return instanceId;
-    }
-
-    public static String native_toString(long instanceId) {
-        return getInstance(instanceId).toString();
-    }
-}