Use GTEST_DISABLE_MSC_WARNINGS macros to disable warnings

Prior to this change we had a mixture of pragmas and
GTEST_DISABLE_MSC_WARNINGS; this change consolidates all instances
to use the macros.

PiperOrigin-RevId: 505786926
Change-Id: I2be8f6304387393995081af42ed32c2ad1bba5a7

googlemock/test/gmock_output_test_.cc

@@ -38,10 +38,7 @@
 #include "gtest/gtest.h"
 
 // Silence C4100 (unreferenced formal parameter)
-#ifdef _MSC_VER
-#pragma warning(push)
-#pragma warning(disable : 4100)
-#endif
+GTEST_DISABLE_MSC_WARNINGS_PUSH_(4100)
 
 using testing::_;
 using testing::AnyNumber;
@@ -286,6 +283,4 @@ int main(int argc, char** argv) {
   return RUN_ALL_TESTS();
 }
 
-#ifdef _MSC_VER
-#pragma warning(pop)
-#endif
+GTEST_DISABLE_MSC_WARNINGS_POP_()  // 4100