gfe-relnote: Add build option to third_party/http2. No functional change.

PiperOrigin-RevId: 293943228
Change-Id: Id2cfd210e9e94e8c9adf27b7f8122d9d9b233d17
diff --git a/http2/platform/api/http2_test_helpers.h b/http2/platform/api/http2_test_helpers.h
index a54f4ab..4a616f7 100644
--- a/http2/platform/api/http2_test_helpers.h
+++ b/http2/platform/api/http2_test_helpers.h
@@ -5,8 +5,14 @@
 // an AssertionResult if the condition is not satisfied.
 #include "net/http2/platform/impl/http2_test_helpers_impl.h"
 
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Weverything"
+
+#include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"  // For AssertionSuccess
 
+#pragma clang diagnostic pop
+
 #define VERIFY_AND_RETURN_SUCCESS(expression) \
   {                                           \
     VERIFY_SUCCESS(expression);               \