Merge "Fix PhysicalKeyboardFragment crash bug." into nyc-dev am: 19998fe
am: 4ddc39e

* commit '4ddc39e17f6758cbf79a393f102dcb5f74910ca7':
  Fix PhysicalKeyboardFragment crash bug.

Change-Id: Id779cf9dfab7061045f22f56f249e13a9d5b0c6a