[clang] [llvm] [Clang][SYCL] Call sycl_kernel_launch with a kernel info type rather than a kernel name type. (PR #208958)

[Mariya Podchishchaeva via cfe-commits]

https://github.com/Fznamznon commented:

My preference is to first finish https://github.com/llvm/llvm-project/pull/210319 and this PR will cause severe conflicts with it.

https://github.com/llvm/llvm-project/pull/208958