Merge "Prevent PiP movement while the resize animation is running."

core/java/android/app/IActivityManager.aidl

@@ -522,6 +522,7 @@ interface IActivityManager {
     void startLocalVoiceInteraction(in IBinder token, in Bundle options);
     void stopLocalVoiceInteraction(in IBinder token);
     boolean supportsLocalVoiceInteraction();
+    void notifyPinnedStackAnimationStarted();
     void notifyPinnedStackAnimationEnded();
     void removeStack(int stackId);
     void makePackageIdle(String packageName, int userId);

core/java/android/app/ITaskStackListener.aidl

@@ -37,6 +37,11 @@ oneway interface ITaskStackListener {
      */
     void onPinnedActivityRestartAttempt(String launchedFromPackage);
 
+    /**
+     * Called whenever the pinned stack is starting animating a resize.
+     */
+    void onPinnedStackAnimationStarted();
+
     /**
      * Called whenever the pinned stack is done animating a resize.
      */

core/java/android/app/TaskStackListener.java

@@ -38,6 +38,10 @@ public abstract class TaskStackListener extends ITaskStackListener.Stub {
     public void onPinnedActivityRestartAttempt(String launchedFromPackage) throws RemoteException {
     }
 
+    @Override
+    public void onPinnedStackAnimationStarted() throws RemoteException {
+    }
+
     @Override
     public void onPinnedStackAnimationEnded() throws RemoteException {
     }