Do not perform forceVolumeControlStream in master volume mode

The method should be no-op when in master volume mode.

Bug: 18250921

Change-Id: Iaab806db935ef97aa1124c3447e228d3eaef7584

media/java/android/media/AudioManager.java

@@ -1210,6 +1210,9 @@ public class AudioManager {
      * @hide
      */
     public void forceVolumeControlStream(int streamType) {
+        if (mUseMasterVolume) {
+            return;
+        }
         IAudioService service = getService();
         try {
             service.forceVolumeControlStream(streamType, mICallBack);