Merge "resolve merge conflicts of 19ec6b7 to nyc-dev" into nyc-dev am: 4abb8c0
am: ae60583

* commit 'ae6058363ce50bbd9f643bf5379d4eb0ac461ea6':
  Allow back presses to work in FragmentActivity

Change-Id: Ic4259d1a3a74c40b1ca4fe46112fc999550ac587