[compiler-rt] [asan][win][msvc] override new and delete and seperate TUs (PR #68754)

[Vitaly Buka via llvm-commits]

vitalybuka wrote:

Clang format is asking

```
-#endif // ASAN_WIN_NEW_DELETE_THUNK_COMMON_H
+#endif  // ASAN_WIN_NEW_DELETE_THUNK_COMMON_H
```

https://github.com/llvm/llvm-project/pull/68754