libaudiohal@aidl: Synchronize commands sending am: 914339da0b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/26948692

Change-Id: I34b323d13f77e9120be4ed79fe7f3e7e42f64312
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>