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: 1e588b58 am: 57e51b3d am: 47d307a1

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



Change-Id: Ie82efc061c02aa2916a97e5940039f3b7298e670
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>