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: f54bcc71 am: e83c86a7

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



Change-Id: I7621fd84b10d379a92e39d436dbfb6d2f081ffa0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>