Set CTS/MCTS for MediaPlayerTest tests

annotate with @FrameworkSpecificTest, get builds properly set up.
May require further tuning to put some tests in the proper buckets.

Bug: 331566031
Flag: TEST_ONLY
Test: atest MctsMediaPlayerTestCases
Change-Id: I4ca6d2b2de3b0677b65538bd61cf5b1b34240ca4