[clang] [ObjC] Support emission of selector stubs calls instead of objc_msgSend. (PR #186293)

[Akira Hatanaka via cfe-commits]

ahatanak wrote:

This recommits https://github.com/llvm/llvm-project/pull/183922. The changes were previously approved with no modifications.

https://github.com/llvm/llvm-project/pull/186293