B3: AttestationPatcher now accepts optional notBefore/notAfter overrides
so the PATCH path honors CERTIFICATE_NOT_BEFORE instead of inheriting
the real TEE's epoch 0.
C2: getKeymasterVersion delegates to getAttestVersion directly, ensuring
attestationVersion == keymasterVersion regardless of cache source.
F1: Remove incorrect EC+DECRYPT guard in AuthorizeCreate that returned
UNSUPPORTED_PURPOSE instead of INCOMPATIBLE_PURPOSE.
AUTO mode: Replace volatile teeFunctional boolean with AtomicReference
tri-state (null/true/false) so the first race winner locks the path for
all subsequent requests, preventing mixed attestation under concurrency.
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