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
Merged-In: If5f01c47441facb3f019c6267ccb7ac2ab39152f
Change-Id: I6f9287b96676a838b169291543be81fc5513ab32
9 files changed