[automerger skipped] Audio: add system usage to audio policy engine schemas...

[automerger skipped] Audio: add system usage to audio policy engine schemas am: d2ab30cb am: 2c17a95f am: 8f6b57b5 am: 0dc6c0ab am: b3fcc5cf am: 461de14d -s ours am: 9179efa6 -s ours

am skip reason: Merged-In I49a8d3cfeb45eddc95ad6ab4a33b0adf0585cde2 with SHA-1 e284266e is already in history

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2719503



Change-Id: Icf62c0c5c83a518d40a3eae14512967d221c18e5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>