[compiler-rt] [asan][test][MSVC] Disabling test on MSVC x86 because of optimized builds (PR #125871)

[Zack Johnson via llvm-commits]

zacklj89 wrote:

Thanks for the heads up! We're just trying to shift bite-sized contributions to upstream rather than internal as we ingest `main` weekly. Since that's the case, I think it's ok for it just to go into `main`?

https://github.com/llvm/llvm-project/pull/125871