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

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



Change-Id: I7174b45933073f647efceafa44067efa3e6592e3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>