Add keymaster attestation generation with EVP keys.  Add identity
credential tags.

Bug: 149908474

Test: atest VtsHalKeymasterV4_1TargetTest
Test: atest VtsHalKeymasterV4_0TargetTest
Test: atest android.security.identity.cts.AttestationTest
Test: atest VtsHalIdentityCredentialTargetTest

Change-Id: If5f01c47441facb3f019c6267ccb7ac2ab39152f
9 files changed