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

Merge "media: release mediaplayerservice lock while dumping services" into tm-dev am: 1bb520ee am: dd5c4340 am: e0f3a0bd

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



Change-Id: Iffb54c5e0b093084d91b833ec02d86716198cb8f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>