The write protection of code memory with mprotect is too expensive for
lazy compilation. As the usefulness of this memory protection is
limited anyways, this CL disables the memory protection in case lazy
compilation is enabled.

Bug: v8:12852
Change-Id: I4c56d4021a7b594e24a4d3d28a130a309c56de38
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3627596Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80377}