Fix build

Change-Id: I2eb54a936630094b4bd9c19a944579670a4e0bb8

media/tests/MediaDump/src/com/android/mediadump/VideoDumpView.java

@@ -252,6 +252,11 @@ class VideoDumpView extends GLSurfaceView implements MediaPlayerControl {
         mMediaPlayer.seekTo(pos);
     }
 
+    @Override
+    public int getAudioSessionId() {
+        return 0;
+    }
+ 
     @Override
     public boolean onTouchEvent(MotionEvent ev) {
         attachMediaController();