Merge "resolve merge conflicts of 19ec6b7 to nyc-dev" into nyc-dev am: 4abb8c0
am: e3d8737

* commit 'e3d8737d9156389cbc9d84b60a21650fa0078d64':
  Allow back presses to work in FragmentActivity

Change-Id: I9d8f9e7a2f3ff5b882a83e368151cd777c9c3c5b