[compiler-rt] [ASan][Windows] Synchronizing ASAN init on Windows (PR #71833)

[Vitaly Buka via llvm-commits]

vitalybuka wrote:

> 1. NFC: All clang-format changes
> 2. NFC: Introduction of setters/getter, as-is without atomics
> 3. Real patch with windows synchronization

I mean separate pull request, so we can bisect issues if necessary. 



https://github.com/llvm/llvm-project/pull/71833