[clang] [clang-format] Handle common C++ non-keyword types as such (PR #83709)

[Owen Pan via cfe-commits]

owenca wrote:

> Can the TypeNames mechanism be prepopulated with this list of types instead?

I don't see how that would work. Please note that the TypeNames option is not specific to C/C++/Objective-C. Otherwise, I could simply change `isTypeName(bool IsCpp)` to `isCppTypeName()`.

https://github.com/llvm/llvm-project/pull/83709