Merge "Added back removed ctor from DisplayEventReceiver" into oc-dev

am: 113918f309

Change-Id: I655721c29b22da375742628a9e7b8b3075b2dd27

core/java/android/view/DisplayEventReceiver.java

@@ -68,6 +68,15 @@ public abstract class DisplayEventReceiver {
     @FastNative
     private static native void nativeScheduleVsync(long receiverPtr);
 
+    /**
+     * Creates a display event receiver.
+     *
+     * @param looper The looper to use when invoking callbacks.
+     */
+    public DisplayEventReceiver(Looper looper) {
+        this(looper, VSYNC_SOURCE_APP);
+    }
+
     /**
      * Creates a display event receiver.
      *