Merge "Dispose HideNavInputEventReceiver on PhoneWindowManager\'s handler" into nyc-dev am: 1f170ddef8
am: 8741065958

* commit '8741065958a2e72760a6135ad1c5593a7f53d777':
  Dispose HideNavInputEventReceiver on PhoneWindowManager's handler

Change-Id: I752f78ef3435003983a9552835b1ba1a270b29e4