Merge "Change KM attestation generation to managed cert type." am: c3c893a522 am: a3c74e8e71 am: 605805521b

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1527801

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Iad182cd93ef96b3c54738e981d46f9b80143dc81