Skip ATTEST_KEY using variant on waivered devices

Bug: 281452355
Bug: 289451966
Test: VtsAidlKeyMintTargetTest
Change-Id: Id448edae88569518deb2db4ab7bf50d16f33709a
diff --git a/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.h b/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.h
index 5d32268..8934a57 100644
--- a/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.h
+++ b/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.h
@@ -370,6 +370,7 @@
     bool is_attest_key_feature_disabled(void) const;
     bool is_strongbox_enabled(void) const;
     bool is_chipset_allowed_km4_strongbox(void) const;
+    bool shouldSkipAttestKeyTest(void) const;
     void skipAttestKeyTest(void) const;
 
   protected: