Merge "Move RunningTees singleton to cpp file." into main am: 9a07218338

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/3001421

Change-Id: Ie1c8635995b8cf43fc5253c96a879706701a66af
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>