Fixed/added namespace ending comments using clang-tidy. NFC

A few more files that were fixed while preparing r240270.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240271 91177308-0d34-0410-b5e6-96231b3b80d8

utils/unittest/googletest/include/gtest/internal/gtest-internal.h

@@ -113,7 +113,7 @@ public:
     : std::ostream(os.rdbuf()), ros_(*this) {}
   operator raw_ostream&() { return ros_; }
 };
-}
+} // namespace llvm
 template <typename T>
 inline void GTestStreamToHelper(std::ostream* os, const T& val) {
   llvm::convertible_fwd_ostream cos(*os);