[automerger skipped] AudioDeviceBroker: avoid acquiring mDeviceStateLock when not necessary am: ff20a75307 -s ours

am skip reason: Merged-In Ie8d824e53fd4076e90a81076f1974354fef4dd13 with SHA-1 a4a848f58b is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/26833049

Change-Id: I665faa0d2fdc677f2e882ace05f4b6b635d09d5b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>