This reverts commit 284aa5e3.

Original change's description:
> [bazel] Don't include handler-inside-posix.h for non-posix platforms
>
> Change-Id: I1e6054b741e17ea4a706ad90f259553a69dfa0fc
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3461930
> Auto-Submit: Camillo Bruni <cbruni@chromium.org>
> Reviewed-by: Andreas Haas <ahaas@chromium.org>
> Commit-Queue: Andreas Haas <ahaas@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#79076}

Change-Id: Ia5925c1d5978d5652b18bc1d2e5c9e755f16f58b
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3461931
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Victor Gomes <victorgomes@chromium.org>
Cr-Commit-Position: refs/heads/main@{#79079}