am 522077ba: Merge "Add background to photo in in-call UI for transparent photos." into lmp-dev

* commit '522077bac1eedc24fa8ff717545224b903bacdc5':
  Add background to photo in in-call UI for transparent photos.
tree: 0b312cecaec186d7c4ecb5135343111a64067ec7
  1. InCallUI/