am 1321bc1f: Merge "Update onVideoSizeChanged() callback method Java doc to explicitly specify the conditions under which the width/height passed to the callback could be 0."

* commit '1321bc1fa3e6dcafcf3185b4efe2f9721ecdfef1':
  Update onVideoSizeChanged() callback method Java doc to explicitly specify the conditions under which the width/height passed to the callback could be 0.