Add base code for MediaParser+MediaMetrics testing

BYPASS_INCLUSIVE_LANGUAGE_REASON=Dependency issue. See b/170494883.
Bug: 158742256
Test: atest CtsMediaParserHostTestCases

Change-Id: I61dbce2e51d7aaa52074c794aa1cc97ff20960d7
Merged-In: I61dbce2e51d7aaa52074c794aa1cc97ff20960d7
6 files changed