Merge "Add basic testing for KeyMint certs." am: 1ddde5e97e am: 03893419b5

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1533200

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ibba69be7b46b5bd77f87ed7ebfd0370e5bb8c417