am ff538092: am 2f583c60: am cf2da3d6: Don\'t hide end call button until call is disconnected

* commit 'ff538092b15f379019876c6c4440d225eafd18f4':
  Don't hide end call button until call is disconnected
tree: 9512b05c7b39f5612697b3068af2f9d150c663ba
  1. InCallUI/