[compiler-rt] [rtsan] Re-enable rtsan tests (PR #98219)

[Vitaly Buka via llvm-commits]

vitalybuka wrote:

As it does not reproduce for me, if you don't mind, I'll leave this one you?
Please send me PR with undo of #98250 and a fix.

https://github.com/llvm/llvm-project/pull/98219