Implement new In-Call Service interface

Change-Id: Ic1eb6fc98e7f030885596c9c40f0ed4f0e34e28b
(cherry picked from commit c90543e6ef64b16b4c1bb240494152bc513f1e36)
14 files changed
tree: 37c8d932737f6949abacc6b9343e0ecde14149c4
  1. InCallUI/