Add BCC validation to oemcrypto unit tests

The returned BCC from OEMCrypto_GetBootCertificateChain() can be
validated by unit tests with BccValidator.

Test: run_fake_l1_tests, opk_ta_p40
Bug: 300304834
Bug: 307968622
Change-Id: I6312cb45548f5d8a711c13ea0356d6ec8db51082

libwvdrmengine/oemcrypto/test/oemcrypto_provisioning_test.cpp

@@ -5,6 +5,7 @@
 
 #include "oemcrypto_provisioning_test.h"
 
+#include "bcc_validator.h"
 #include "log.h"
 #include "platform.h"
 #include "test_sleep.h"
@@ -232,6 +233,9 @@ TEST_F(OEMCryptoProv40Test, GetBootCertificateChainSuccess) {
                                               additional_signature.data(),
                                               &additional_signature_size),
             OEMCrypto_SUCCESS);
+  util::BccValidator validator;
+  EXPECT_EQ(util::CborMessageStatus::kCborParseOk, validator.Parse(bcc));
+  EXPECT_EQ(util::CborMessageStatus::kCborValidateOk, validator.Validate());
 }
 
 // Verifies that short buffer error returns when the buffer is short.