audio: Allow to inherit Binder RT priority in AIDL am: efb45bc792

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3016479

Change-Id: Iccea145dedfb6af591c7992f600fd1d2e1655db1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>