Compare Session tokens for MediaControllers

Remove call to controlsSameSession in mocked MediaController and replace
them with a comparison of their session token to avoid hidden api usage.
Use AudioPlaybackConfiguration toString over hidden toLogFriendlyString.

Bug: 141947725
Test: Manual
Change-Id: I5701b6c54fdc4db64c289f0b9a61e69ad0584cee
2 files changed