[AVF] Expose patch level check failure code

Bug: 359629878
Test: Unit test
Flag: EXEMPT bugfix
Ignore-AOSP-First: This hasn't been tested e2e by CDM and XR yet.
Releasing this to AOSP directly may not be appropriate.

Change-Id: I660689e61a235017f2e969ceb38672ef32b62d10
10 files changed