This is a reland of 45ea0150

Original change's description:
> [wasm] Use memcmp to compare module bytes
> 
> This is much faster than std::lexicographical_compare.
> 
> R=clemensb@chromium.org
> 
> Bug: chromium:1048554
> Change-Id: I5f0ba22654e172535b6e6fcf6d2a460e278d3cfd
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2036078
> Reviewed-by: Clemens Backes <clemensb@chromium.org>
> Commit-Queue: Thibaud Michaud <thibaudm@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#66109}

Bug: chromium:1048554
Change-Id: I04d4b1ea8354f7d0567100dec10be0de6ca0ed37
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2037432
Commit-Queue: Thibaud Michaud <thibaudm@chromium.org>
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#66118}