This is a reland of 5301cdc3

Original change's description:
> [wasm] add 64 bit atomic ops to interpreter
>
> R=gdeepti@chromium.org
> BUG=v8:6532
>
> Change-Id: I532bf67f1631c692e12f9b054b29601a57b76f05
> Reviewed-on: https://chromium-review.googlesource.com/1130635
> Reviewed-by: Deepti Gandluri <gdeepti@chromium.org>
> Commit-Queue: Aseem Garg <aseemgarg@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#54365}

Bug: v8:6532
Change-Id: I22af58646b898ee2f54ccb64467d9fb978a645c5
Reviewed-on: https://chromium-review.googlesource.com/1132155
Commit-Queue: Aseem Garg <aseemgarg@chromium.org>
Reviewed-by: Deepti Gandluri <gdeepti@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54369}