Merge "Sync audio_policy_engine_configuration.xsd with the SDK" am: e8c9684d68 am: cdc677afa4

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2221636

Change-Id: I8780f35257fd34f0cc9f04f91337f7ce698e4b9a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>