Add VerificationToken tests.

Bug: 70409878
Test: VtsHalKeymasterV4_0TargetTest
Change-Id: I5458729ef8c3494f45fe8274b391133b997d43f2
diff --git a/keymaster/4.0/vts/functional/KeymasterHidlTest.h b/keymaster/4.0/vts/functional/KeymasterHidlTest.h
index 0c73f05..6d28f17 100644
--- a/keymaster/4.0/vts/functional/KeymasterHidlTest.h
+++ b/keymaster/4.0/vts/functional/KeymasterHidlTest.h
@@ -205,6 +205,7 @@
     std::pair<ErrorCode, HidlBuf> UpgradeKey(const HidlBuf& key_blob);
 
     static bool IsSecure() { return securityLevel_ != SecurityLevel::SOFTWARE; }
+    static SecurityLevel SecLevel() { return securityLevel_; }
 
     HidlBuf key_blob_;
     KeyCharacteristics key_characteristics_;