Sync audio_policy_engine_configuration.xsd with the SDK am: 7443e2f547

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2225423

Change-Id: I816fd76d13635b491c0911fe4ee6cd30a584bcd2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>