Test cases for attested Root-of-Trust

Add tests for verfied boot state and VBMeta digest.

Bug: 255344624
Test: VtsKeyMintAidlTargetTest
Change-Id: I4f0697e1a7cb83ca87150b6683cac3084a593864
Merged-In: I4f0697e1a7cb83ca87150b6683cac3084a593864
2 files changed