tree 515faf9a92502ca4fe27388ac373eaa4771cbfa2
parent 217e8a2b4661d3ae6dc470a8dc07b3145c560c7e
author RoboErik <epastern@google.com> 1407357802 -0700
committer RoboErik <epastern@google.com> 1407455692 -0700

Combine MediaSession Callback and TransportControlsCallback

This combines them into a single Callback class and adds default
handling to media buttons to check the available actions and call
one of the other methods if appropriate.

Change-Id: If9897d8cf6d8d8046aa85a646c22382f1db1461b