Revert "Adding the missing display mode strings to persistentDataStore"

This reverts commit 2c37a4f37de83cbb85771b78b53fc790b86007ac.

Reason for revert: Reverting for this release.  

Change-Id: I10e1e271de7c7e715d6173ad83c7bb87e6473c82

3 files changed, 3 insertions, 111 deletions

diff --git a/services/core/java/com/android/server/display/DisplayManagerService.java b/services/core/java/com/android/server/display/DisplayManagerService.java
index a1490e564787..b153c1ba98e0 100644
--- a/services/core/java/com/android/server/display/DisplayManagerService.java
+++ b/services/core/java/com/android/server/display/DisplayManagerService.java
@@ -1759,13 +1759,9 @@ public final class DisplayManagerService extends SystemService {
         if (displayDevice == null) {
             return;
         }
-        try {
-            mPersistentDataStore.setUserPreferredResolution(
-                    displayDevice, resolutionWidth, resolutionHeight);
-            mPersistentDataStore.setUserPreferredRefreshRate(displayDevice, refreshRate);
-        } finally {
-            mPersistentDataStore.saveIfNeeded();
-        }
+        mPersistentDataStore.setUserPreferredResolution(
+                displayDevice, resolutionWidth, resolutionHeight);
+        mPersistentDataStore.setUserPreferredRefreshRate(displayDevice, refreshRate);
     }
 
     private void setUserPreferredModeForDisplayLocked(int displayId, Display.Mode mode) {
diff --git a/services/core/java/com/android/server/display/PersistentDataStore.java b/services/core/java/com/android/server/display/PersistentDataStore.java
index a11f1721a4b9..b9a0738d15c4 100644
--- a/services/core/java/com/android/server/display/PersistentDataStore.java
+++ b/services/core/java/com/android/server/display/PersistentDataStore.java
@@ -75,11 +75,6 @@ import java.util.Objects;
  *                  </brightness-curve>
  *              </brightness-configuration>
  *          </brightness-configurations>
- *          <display-mode>0<
- *              <resolution-width>1080</resolution-width>
- *              <resolution-height>1920</resolution-height>
- *              <refresh-rate>60</refresh-rate>
- *          </display-mode>
  *      </display>
  *  </display-states>
  *  <stable-device-values>
@@ -126,10 +121,6 @@ final class PersistentDataStore {
     private static final String ATTR_PACKAGE_NAME = "package-name";
     private static final String ATTR_TIME_STAMP = "timestamp";
 
-    private static final String TAG_RESOLUTION_WIDTH = "resolution-width";
-    private static final String TAG_RESOLUTION_HEIGHT = "resolution-height";
-    private static final String TAG_REFRESH_RATE = "refresh-rate";
-
     // Remembered Wifi display devices.
     private ArrayList<WifiDisplay> mRememberedWifiDisplays = new ArrayList<WifiDisplay>();
 
@@ -705,18 +696,6 @@ final class PersistentDataStore {
                     case TAG_BRIGHTNESS_CONFIGURATIONS:
                         mDisplayBrightnessConfigurations.loadFromXml(parser);
                         break;
-                    case TAG_RESOLUTION_WIDTH:
-                        String width = parser.nextText();
-                        mWidth = Integer.parseInt(width);
-                        break;
-                    case TAG_RESOLUTION_HEIGHT:
-                        String height = parser.nextText();
-                        mHeight = Integer.parseInt(height);
-                        break;
-                    case TAG_REFRESH_RATE:
-                        String refreshRate = parser.nextText();
-                        mRefreshRate = Float.parseFloat(refreshRate);
-                        break;
                 }
             }
         }
@@ -733,18 +712,6 @@ final class PersistentDataStore {
             serializer.startTag(null, TAG_BRIGHTNESS_CONFIGURATIONS);
             mDisplayBrightnessConfigurations.saveToXml(serializer);
             serializer.endTag(null, TAG_BRIGHTNESS_CONFIGURATIONS);
-
-            serializer.startTag(null, TAG_RESOLUTION_WIDTH);
-            serializer.text(Integer.toString(mWidth));
-            serializer.endTag(null, TAG_RESOLUTION_WIDTH);
-
-            serializer.startTag(null, TAG_RESOLUTION_HEIGHT);
-            serializer.text(Integer.toString(mHeight));
-            serializer.endTag(null, TAG_RESOLUTION_HEIGHT);
-
-            serializer.startTag(null, TAG_REFRESH_RATE);
-            serializer.text(Float.toString(mRefreshRate));
-            serializer.endTag(null, TAG_REFRESH_RATE);
         }
 
         public void dump(final PrintWriter pw, final String prefix) {
@@ -752,8 +719,6 @@ final class PersistentDataStore {
             pw.println(prefix + "BrightnessValue=" + mBrightness);
             pw.println(prefix + "DisplayBrightnessConfigurations: ");
             mDisplayBrightnessConfigurations.dump(pw, prefix);
-            pw.println(prefix + "Resolution=" + mWidth + " " + mHeight);
-            pw.println(prefix + "RefreshRate=" + mRefreshRate);
         }
     }
 
diff --git a/services/tests/servicestests/src/com/android/server/display/PersistentDataStoreTest.java b/services/tests/servicestests/src/com/android/server/display/PersistentDataStoreTest.java
index 3b0a22f80c30..9fe8609c85a1 100644
--- a/services/tests/servicestests/src/com/android/server/display/PersistentDataStoreTest.java
+++ b/services/tests/servicestests/src/com/android/server/display/PersistentDataStoreTest.java
@@ -275,75 +275,6 @@ public class PersistentDataStoreTest {
         assertNull(mDataStore.getBrightnessConfiguration(userSerial));
     }
 
-    @Test
-    public void testStoreAndRestoreResolution() {
-        final String uniqueDisplayId = "test:123";
-        DisplayDevice testDisplayDevice = new DisplayDevice(null, null, uniqueDisplayId, null) {
-            @Override
-            public boolean hasStableUniqueId() {
-                return true;
-            }
-
-            @Override
-            public DisplayDeviceInfo getDisplayDeviceInfoLocked() {
-                return null;
-            }
-        };
-        int width = 35;
-        int height = 45;
-        mDataStore.loadIfNeeded();
-        mDataStore.setUserPreferredResolution(testDisplayDevice, width, height);
-
-        final ByteArrayOutputStream baos = new ByteArrayOutputStream();
-        mInjector.setWriteStream(baos);
-        mDataStore.saveIfNeeded();
-        mTestLooper.dispatchAll();
-        assertTrue(mInjector.wasWriteSuccessful());
-        TestInjector newInjector = new TestInjector();
-        PersistentDataStore newDataStore = new PersistentDataStore(newInjector);
-        ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
-        newInjector.setReadStream(bais);
-        newDataStore.loadIfNeeded();
-        assertNotNull(newDataStore.getUserPreferredResolution(testDisplayDevice));
-        assertEquals(35, newDataStore.getUserPreferredResolution(testDisplayDevice).x);
-        assertEquals(35, mDataStore.getUserPreferredResolution(testDisplayDevice).x);
-        assertEquals(45, newDataStore.getUserPreferredResolution(testDisplayDevice).y);
-        assertEquals(45, mDataStore.getUserPreferredResolution(testDisplayDevice).y);
-    }
-
-    @Test
-    public void testStoreAndRestoreRefreshRate() {
-        final String uniqueDisplayId = "test:123";
-        DisplayDevice testDisplayDevice = new DisplayDevice(null, null, uniqueDisplayId, null) {
-            @Override
-            public boolean hasStableUniqueId() {
-                return true;
-            }
-
-            @Override
-            public DisplayDeviceInfo getDisplayDeviceInfoLocked() {
-                return null;
-            }
-        };
-        float refreshRate = 85.3f;
-        mDataStore.loadIfNeeded();
-        mDataStore.setUserPreferredRefreshRate(testDisplayDevice, refreshRate);
-
-        final ByteArrayOutputStream baos = new ByteArrayOutputStream();
-        mInjector.setWriteStream(baos);
-        mDataStore.saveIfNeeded();
-        mTestLooper.dispatchAll();
-        assertTrue(mInjector.wasWriteSuccessful());
-        TestInjector newInjector = new TestInjector();
-        PersistentDataStore newDataStore = new PersistentDataStore(newInjector);
-        ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
-        newInjector.setReadStream(bais);
-        newDataStore.loadIfNeeded();
-        assertNotNull(newDataStore.getUserPreferredRefreshRate(testDisplayDevice));
-        assertEquals(85.3f, mDataStore.getUserPreferredRefreshRate(testDisplayDevice), 01.f);
-        assertEquals(85.3f, newDataStore.getUserPreferredRefreshRate(testDisplayDevice), 0.1f);
-    }
-
     public class TestInjector extends PersistentDataStore.Injector {
         private InputStream mReadStream;
         private OutputStream mWriteStream;