Merge "Add Fragment#onAttachFragment for parent fragments" into nyc-dev am: a6c0cc0992 am: 46ca7d8c28
am: bbb2c35902

* commit 'bbb2c359023a0cd8ee3790235ed35cec2c13ea27':
  Add Fragment#onAttachFragment for parent fragments

Change-Id: I0561042957f8f150c5206cd5a3cfb3b2d5ce4035