Send the Audio Usage down from AudioPolicyManager am: b75aa6a897

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/3236640

Change-Id: Iddd037434e3f507d32e9ce446846391a5da868ea
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>