Merge "move MediaCodec metrics processing to looper thread" into tm-dev am: df592e2b74

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/20602135

Change-Id: I164a0a6bf3a88155a85ad7deea050037aa2d1ce7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>