[automerger skipped] Merge "Early return when mA2dp is null (disconnected) to...

[automerger skipped] Merge "Early return when mA2dp is null (disconnected) to avoid null object reference" am: d479859c am: 43c7ce7a am: ea7dcfc8 -s ours am: ccac1771 -s ours am: 68e841fb -s ours am: c920e668 -s ours

am skip reason: Merged-In Id9e05f94b9fc7c76f6d3bad482246eb4f72aa054 with SHA-1 868e7250 is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2633292



Change-Id: Iebd58d31c6643e857ec751e9232fbe771415619a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>