Googletest export

Applied fixes for ClangTidy modernize-use-override and modernize-use-using.

PiperOrigin-RevId: 223800219

googletest/include/gtest/internal/gtest-port.h

@@ -1488,7 +1488,7 @@ class ThreadWithParam : public ThreadWithParamBase {
     GTEST_CHECK_POSIX_SUCCESS_(
         pthread_create(&thread_, nullptr, &ThreadFuncWithCLinkage, base));
   }
-  ~ThreadWithParam() { Join(); }
+  ~ThreadWithParam() override { Join(); }
 
   void Join() {
     if (!finished_) {
@@ -1497,7 +1497,7 @@ class ThreadWithParam : public ThreadWithParamBase {
     }
   }
 
-  virtual void Run() {
+  void Run() override {
     if (thread_can_start_ != nullptr) thread_can_start_->WaitForNotification();
     func_(param_);
   }