Clean up ownership in frameworks/av/

This is a cherrypick of aosp/1802716.

Bug: 197217250
Merged-In: I36049c20a2888cbb7e7f85e82d068976fc68d4d8
Test: No code changes done.
Change-Id: I5118c0caf92923feef57a360faba3d50c3bf3fc5
4 files changed