[automerger skipped] Merge "KeyMint: improve HAL spec and tests" into sc-dev...

[automerger skipped] Merge "KeyMint: improve HAL spec and tests" into sc-dev am: bad3aeba am: be3c6396 -s ours am: 476629df -s ours

am skip reason: Merged-In I70a342084a29144aef1ed0ff80fec02cc06ffbc0 with SHA-1 db0dcf50 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/14676472

Change-Id: Icb5d914cd03c8539a465d410c67e1ff21926cea8