Merge "Implement alternative ViewGroup.getChildVisibleRect." into nyc-dev
am: f62dd564ed

* commit 'f62dd564edfa7f9e02e17e7a2e3107dbc7b4abb0':
  Implement alternative ViewGroup.getChildVisibleRect.

Change-Id: I8adae611f525a14dadc2fc0e2c15cc961b61d0cf