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

* commit '1f170ddef81ee242dcdf8dc6b9aa60876cf3bff8':
  Dispose HideNavInputEventReceiver on PhoneWindowManager's handler

Change-Id: I1aba93635303dad3a3267f54005dca8882f9cf0a