Googletest export

Use the time_point from steady_clock instead of the template
This fixes the build on some embedded compilers

PiperOrigin-RevId: 368879480
diff --git a/googletest/src/gtest.cc b/googletest/src/gtest.cc
index d607d53..2e34011 100644
--- a/googletest/src/gtest.cc
+++ b/googletest/src/gtest.cc
@@ -1044,7 +1044,7 @@
   }
 
  private:
-  std::chrono::time_point<std::chrono::steady_clock> start_;
+  std::chrono::steady_clock::time_point start_;
 };
 
 // Returns a timestamp as milliseconds since the epoch. Note this time may jump