[clang] [clang][ssaf] Add `clang-ssaf-analyzer` (PR #196124)

[Aviral Goel via cfe-commits]

aviralg wrote:

This is an attempt to reland https://github.com/llvm/llvm-project/pull/188881 along with the fix from https://github.com/llvm/llvm-project/pull/195992

https://github.com/llvm/llvm-project/pull/196124