Merge "Test validity of device-unique attestation chain" am: 14bb840731 am: 49f82b2558 am: 8cf02d048d

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1730430

Change-Id: I9296e3a8625c6e11eba97c6380f0bfd1e66971d7