Merge "Add "important" AIDL Audio HAL interfaces." am: a5dad5f2 am: 48e87881 am: 8102e65a am: 96bf0b1d am: f7dcbe80

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2435956



Change-Id: I67a9c64eaacf4f248ffb54f3682a969b125e313a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>