Merge "Inline btif_a2dp_source_end_session_delayed into...

Merge "Inline btif_a2dp_source_end_session_delayed into btif_a2dp_source_end_session" into main am: 73b665b1

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/3452661



Change-Id: I65f77ab144c73a2b04297074445fece2a27c073a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>