Support for non-factory attestation in Strongbox.

Updated the BootLoaderStateTest for strongbox implementations which
do not support factory attestation.

Test: vts -m VtsAidlKeyMintTarget
Change-Id: I8fe176a18fc0b9e2b2d0b012b7b63124d15c9e2f
diff --git a/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.h b/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.h
index 3245ca9..30ac452 100644
--- a/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.h
+++ b/security/keymint/aidl/vts/functional/KeyMintAidlTestBase.h
@@ -54,6 +54,9 @@
 
 constexpr uint64_t kOpHandleSentinel = 0xFFFFFFFFFFFFFFFF;
 
+const string FEATURE_KEYSTORE_APP_ATTEST_KEY = "android.hardware.keystore.app_attest_key";
+const string FEATURE_STRONGBOX_KEYSTORE = "android.hardware.strongbox_keystore";
+
 class KeyMintAidlTestBase : public ::testing::TestWithParam<string> {
   public:
     struct KeyData {
@@ -347,6 +350,17 @@
     ErrorCode UseRsaKey(const vector<uint8_t>& rsaKeyBlob);
     ErrorCode UseEcdsaKey(const vector<uint8_t>& ecdsaKeyBlob);
 
+    ErrorCode GenerateAttestKey(const AuthorizationSet& key_desc,
+                                const optional<AttestationKey>& attest_key,
+                                vector<uint8_t>* key_blob,
+                                vector<KeyCharacteristics>* key_characteristics,
+                                vector<Certificate>* cert_chain);
+
+    bool is_attest_key_feature_disabled(void) const;
+    bool is_strongbox_enabled(void) const;
+    bool is_chipset_allowed_km4_strongbox(void) const;
+    void skipAttestKeyTest(void) const;
+
   protected:
     std::shared_ptr<IKeyMintDevice> keymint_;
     uint32_t os_version_;