Merge "media: release mediaplayerservice lock while dumping services" into...

Merge "media: release mediaplayerservice lock while dumping services" into tm-dev am: 1bb520ee am: a0b33d49 am: bf172e1a am: 74204b25

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/18444545



Change-Id: I964a2dbe8af02617b04d79d7024cfc5b407e509f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>