This is a reland of de5f8614

Original change's description:
> [atomics] Fix critical section for Atomics.waitAsync
>
> Loading the value at the index for the futex wait should be protected by
> the waiterlist mutex for both sync and async waits.
>

TBR=marja@chromium.org

Bug: chromium:1194026
Change-Id: Id495a7778adf23a7d9dcd80f58179fe8d22fde2c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2798511Reviewed-by: Shu-yu Guo <syg@chromium.org>
Commit-Queue: Shu-yu Guo <syg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73759}