2nd IMEI attestation: Clarify tag usage.
Clarify that the tag for the 2nd IMEI must denote an IMEI different to
the tag used for the first IMEI, and may be used independently of it.
Bug: 264979486
Test: N/A
Change-Id: I45a46d1052e45a965c8be391d11157cc4481545b
diff --git a/security/keymint/aidl/android/hardware/security/keymint/Tag.aidl b/security/keymint/aidl/android/hardware/security/keymint/Tag.aidl
index 837fc81..d401247 100644
--- a/security/keymint/aidl/android/hardware/security/keymint/Tag.aidl
+++ b/security/keymint/aidl/android/hardware/security/keymint/Tag.aidl
@@ -885,9 +885,9 @@
/**
* Tag::ATTESTATION_ID_SECOND_IMEI provides an additional IMEI of one of the radios on the
- * device to attested key generation/import operations. This field MUST be accompanied by
- * the Tag::ATTESTATION_ID_IMEI tag. It would only be used to convery a second IMEI the device
- * has, after Tag::ATTESTATION_ID_SECOND_IMEI has been used to convery the first IMEI.
+ * device to attested key generation/import operations. It should be used to convey an
+ * IMEI different to the one conveyed by the Tag::ATTESTATION_ID_IMEI tag. Like all other
+ * ID attestation flags, it may be included independently of other tags.
*
* If the device does not support ID attestation (or destroyAttestationIds() was previously
* called and the device can no longer attest its IDs), any key attestation request that