am b5c1b43f: am 99b4572c: Merge "Fix NPE when hitting back in InCallActivity" into mnc-dev

* commit 'b5c1b43f15044f253504a3a7bc481a40f5dd0045':
  Fix NPE when hitting back in InCallActivity
tree: fca15403f834b0a966b7ce01ea5412d6cccff757
  1. InCallUI/