[clang] [HLSL] Implement the 'and' HLSL function (PR #127098)

[Farzon Lotfi via cfe-commits]

https://github.com/farzonl requested changes to this pull request.

Codgen  and testing is fine. SemaHLSL needs work to conform to how we have been doing things.

https://github.com/llvm/llvm-project/pull/127098