[clang] [clang-tools-extra] [flang] [lldb] [llvm] [clang] Move options from clangDriver into new clangOptions library (NFC) (PR #163659)

[Steven Wu via cfe-commits]

https://github.com/cachemeifyoucan commented:

We need `Clang_Option` in `clang/include/module.modulemap`.

There are some formatting modernization can happen but since it is mostly just moving header, those can be left for future.

https://github.com/llvm/llvm-project/pull/163659