Improve handling MediaCodec linkToDeath() resource manager

manage use of service pointer from MediaCodec to resource manager
to avoid race conditions during teardown.

Bug: 173791720
Test: manual audit since repo is unreliable
Merged-In: I7436e064b63a9b1833f0a2126319674d5ab50828
Change-Id: I843c2f5442557b64babdbba80fc1afd10d2ec5cb
1 file changed