deviceUniqueAttestation
Device-unique attestation flag.
Corresponds to the Tag::DEVICE_UNIQUE_ATTESTATION authorization tag, which uses a tag ID value of 720.
ASN.1: deviceUniqueAttestation [720] EXPLICIT NULL OPTIONAL. Present in key attestation versions 4, 100, 200, 300, 400.
Note: in this API, presence/absence of this field is represented by null vs non-null. See DeviceUniqueAttestation.explicitTag.