[clang] Reland [CUDA][HIP] Fix CTAD for host/device constructors (#168711) (PR #170481)

[Artem Belevich via cfe-commits]

https://github.com/Artem-B approved this pull request.

I'd drop the deprecation warning, but if you want to keep it, I can live with that.

https://github.com/llvm/llvm-project/pull/170481