Deprecate android.support.v4.media.Transport* classes

The Transport classes have been fully replaced with
MediaSessionCompat and MediaControllerCompat and is no
longer a recommended practice.

BUG: 35352174
Test: Check api/current.txt to ensure everything is deprecated
Change-Id: Icd957bb591622a64d155f6fe552f58fe37356d5c
(cherry picked from commit f143c7e89bcda2546699c535f27d3b1d757f9600)
5 files changed