[compiler-rt] [sanitizer-common][rtsan] Add rtsan to sanitizer-common suite (PR #213170)

[Vitaly Buka via llvm-commits]

https://github.com/vitalybuka commented:

Can we split a patch a little bit to make real enablement as small as possible?

I's start with extracting all UNSUPPORTED into own PR

https://github.com/llvm/llvm-project/pull/213170