am bba6f8dc: Merge "Add null check for calls in CallList" into lmp-dev

* commit 'bba6f8dc6cbcf59af9e0c169f2657887a79b4670':
  Add null check for calls in CallList
tree: e8982b247e4b64954ba475bedd8cd51b9f2381af
  1. InCallUI/