Merge "UsecaseValidator: ignore special use cases when usage is unknown" into...

Merge "UsecaseValidator: ignore special use cases when usage is unknown" into udc-dev am: c51730bb am: 330d49d1 am: 8900ad0c am: 29ca4a7c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/23348706



Change-Id: Ia8d5ba9ae6c9d365326f104ff1f77011491e9bd0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>