Fix UnusedVariable errorprone issues

https://errorprone.info/bugpattern/UnusedVariable
https://errorprone.info/bugpattern/UnusedTypeParameter
https://errorprone.info/bugpattern/UnusedNestedClass
https://errorprone.info/bugpattern/UnusedMethod
https://errorprone.info/bugpattern/UnusedLabel

Bug: 253827323
Test: m RUN_ERROR_PRONE=true javac-check
Change-Id: Idae6fd5c085fc71e7a0222ee379dd16a7b6a1f20

3 files changed, 3 insertions, 17 deletions

diff --git a/errorprone/java/com/google/errorprone/bugpatterns/android/RequiresPermissionChecker.java b/errorprone/java/com/google/errorprone/bugpatterns/android/RequiresPermissionChecker.java
index 9887c272e7f8..af26bd0a3404 100644
--- a/errorprone/java/com/google/errorprone/bugpatterns/android/RequiresPermissionChecker.java
+++ b/errorprone/java/com/google/errorprone/bugpatterns/android/RequiresPermissionChecker.java
@@ -130,10 +130,6 @@ public final class RequiresPermissionChecker extends BugChecker
                             .onDescendantOf("android.content.Context")
                             .withNameMatching(
                                     Pattern.compile("^send(Ordered|Sticky)?Broadcast.*AsUser.*$")));
-    private static final Matcher<ExpressionTree> SEND_PENDING_INTENT = methodInvocation(
-            instanceMethod()
-                    .onDescendantOf("android.app.PendingIntent")
-                    .named("send"));
 
     private static final Matcher<ExpressionTree> INTENT_SET_ACTION = methodInvocation(
             instanceMethod().onDescendantOf("android.content.Intent").named("setAction"));
diff --git a/ravenwood/runtime-common-src/com/android/ravenwood/common/RavenwoodCommonUtils.java b/ravenwood/runtime-common-src/com/android/ravenwood/common/RavenwoodCommonUtils.java
index ef795c63880e..520f050f0655 100644
--- a/ravenwood/runtime-common-src/com/android/ravenwood/common/RavenwoodCommonUtils.java
+++ b/ravenwood/runtime-common-src/com/android/ravenwood/common/RavenwoodCommonUtils.java
@@ -37,8 +37,6 @@ public class RavenwoodCommonUtils {
     private RavenwoodCommonUtils() {
     }
 
-    private static final Object sLock = new Object();
-
     /**
      * If set to "1", we enable the verbose logging.
      *
@@ -68,9 +66,6 @@ public class RavenwoodCommonUtils {
 
     public static final String RAVENWOOD_VERSION_JAVA_SYSPROP = "android.ravenwood.version";
 
-    // @GuardedBy("sLock")
-    private static boolean sIntegrityChecked = false;
-
     /**
      * @return if we're running on Ravenwood.
      */
diff --git a/ravenwood/runtime-helper-src/libcore-fake/libcore/util/NativeAllocationRegistry.java b/ravenwood/runtime-helper-src/libcore-fake/libcore/util/NativeAllocationRegistry.java
index 4e7dc5d6264f..ad86135de32e 100644
--- a/ravenwood/runtime-helper-src/libcore-fake/libcore/util/NativeAllocationRegistry.java
+++ b/ravenwood/runtime-helper-src/libcore-fake/libcore/util/NativeAllocationRegistry.java
@@ -32,25 +32,20 @@ public class NativeAllocationRegistry {
 
     public static NativeAllocationRegistry createNonmalloced(
             ClassLoader classLoader, long freeFunction, long size) {
-        return new NativeAllocationRegistry(classLoader, freeFunction, size, false);
+        return new NativeAllocationRegistry(classLoader, freeFunction, size);
     }
 
     public static NativeAllocationRegistry createMalloced(
             ClassLoader classLoader, long freeFunction, long size) {
-        return new NativeAllocationRegistry(classLoader, freeFunction, size, true);
+        return new NativeAllocationRegistry(classLoader, freeFunction, size);
     }
 
     public static NativeAllocationRegistry createMalloced(
             ClassLoader classLoader, long freeFunction) {
-        return new NativeAllocationRegistry(classLoader, freeFunction, 0, true);
+        return new NativeAllocationRegistry(classLoader, freeFunction, 0);
     }
 
     public NativeAllocationRegistry(ClassLoader classLoader, long freeFunction, long size) {
-        this(classLoader, freeFunction, size, size == 0);
-    }
-
-    private NativeAllocationRegistry(ClassLoader classLoader, long freeFunction, long size,
-            boolean mallocAllocation) {
         if (size < 0) {
             throw new IllegalArgumentException("Invalid native allocation size: " + size);
         }