RemoteController class to expose IRemoteControlDisplay features

Wrap all the features of IRemoteControlDisplay.aidl in a
 new class, RemoteController, that implements the
 IRemoteControlDisplay interface.

The API functions to expose in the SDK are tagged with
 "CANDIDATE FOR API"

Bug 8209392

Change-Id: I597bcd503ac93e73889c9ae8b47b16c4fcb363bc
10 files changed