Merge "Release doze wake lock when doze dream is stopped" into tm-qpr-dev am: e37a7d5e0c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21126343

Change-Id: I7040e09887d287112478d3de3aa576032423d4b7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

services/core/java/com/android/server/dreams/DreamController.java

@@ -244,7 +244,10 @@ final class DreamController {
                 }
 
                 mListener.onDreamStopped(dream.mToken);
+            } else if (dream.mCanDoze && !mCurrentDream.mCanDoze) {
+                mListener.stopDozing(dream.mToken);
             }
+
         } finally {
             Trace.traceEnd(Trace.TRACE_TAG_POWER);
         }
@@ -289,6 +292,7 @@ final class DreamController {
      */
     public interface Listener {
         void onDreamStopped(Binder token);
+        void stopDozing(Binder token);
     }
 
     private final class DreamRecord implements DeathRecipient, ServiceConnection {

services/core/java/com/android/server/dreams/DreamManagerService.java

@@ -499,7 +499,12 @@ public final class DreamManagerService extends SystemService {
         }
 
         synchronized (mLock) {
-            if (mCurrentDream != null && mCurrentDream.token == token && mCurrentDream.isDozing) {
+            if (mCurrentDream == null) {
+                return;
+            }
+
+            final boolean sameDream = mCurrentDream.token == token;
+            if ((sameDream && mCurrentDream.isDozing) || (!sameDream && !mCurrentDream.isDozing)) {
                 mCurrentDream.isDozing = false;
                 mDozeWakeLock.release();
                 mPowerManagerInternal.setDozeOverrideFromDreamManager(
@@ -765,6 +770,11 @@ public final class DreamManagerService extends SystemService {
                 }
             }
         }
+
+        @Override
+        public void stopDozing(Binder token) {
+            stopDozingInternal(token);
+        }
     };
 
     private final ContentObserver mDozeEnabledObserver = new ContentObserver(null) {