Merge "Store active player avoid it was deleted by other threads" into main...

Merge "Store active player avoid it was deleted by other threads" into main am: 256a7c4a am: e1016a57

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/3333282



Change-Id: Ia60abf44b63bfae373cf4df2b2060dbafd49598e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>