Add getSupplementaryAttestationInfo

Allows clients to retrieve information required to interpret certain
attested values found in the attestation certificate.

Currently only relevant for Tag::MODULE_HASH, for which it returns the
encoded structure whose hash ends up in the attestation certificate.

Bug: 369375199
Test: treehugger
Change-Id: Ida8c72fa262d13c01c22bd68fa0bd71b881b876b
3 files changed