am 6171bef1: am 4956e371: am bcdfafd7: Merge "Allow back to be pressed while in incoming call screen" into lmp-mr1-dev

* commit '6171bef1be04ee8a070b56c154afa4bd058632bc':
  Allow back to be pressed while in incoming call screen
tree: 10c929e6d1131fa3881588884f1b854296865f85
  1. InCallUI/