Merge "Audio: add system usage to audio policy engine schemas" into...

Merge "Audio: add system usage to audio policy engine schemas" into stage-aosp-udc-ts-dev am: 8a3fb6b9 am: 744017c0 am: dce77bef

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/24503033



Change-Id: I5555501f69185852461bbc45d237d38cfcfe27c6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>