Added identity credential key to keymaster tag set.

Bug: 149908474

Test: atest android.security.identity.cts.AttestationTest
Test: atest VtsHalIdentityCredentialTarge
Merged-In: I5a0336692f894580a46d6e70a5b2e2b6d54508e5
Change-Id: I4c1cf2cc5112ccae2151958c65025d9e225bdeed
diff --git a/include/hardware/keymaster_defs.h b/include/hardware/keymaster_defs.h
index 0b7bf8a..2fbfe46 100644
--- a/include/hardware/keymaster_defs.h
+++ b/include/hardware/keymaster_defs.h
@@ -164,6 +164,8 @@
                                                       included in attestation */
     KM_TAG_DEVICE_UNIQUE_ATTESTATION = KM_BOOL | 720,  /* Indicates StrongBox device-unique attestation
                                                           is requested. */
+    KM_TAG_IDENTITY_CREDENTIAL_KEY = KM_BOOL | 721, /* This is an identity credential key */
+
 
     /* Tags used only to provide data to or receive data from operations */
     KM_TAG_ASSOCIATED_DATA = KM_BYTES | 1000, /* Used to provide associated data for AEAD modes. */