Googletest export

Fixes build warnings from previous CL
Add CMake to internal presubmit to prevent these

PiperOrigin-RevId: 337325504

googletest/test/gtest_unittest.cc

@@ -2768,7 +2768,7 @@ class FloatingPointTest : public Test {
   typedef typename Floating::Bits Bits;
 
   void SetUp() override {
-    const size_t max_ulps = Floating::kMaxUlps;
+    const uint32_t max_ulps = Floating::kMaxUlps;
 
     // The bits that represent 0.0.
     const Bits zero_bits = Floating(0).bits();