This is a reland of 54b42a55
Original change's description:
> [build] Add filter script for official build
> 
> This adds a V8-side script to list the files contained in an official archive.
> 
> This'll accompany the infra-side archive recipe:
> https://chromium-review.googlesource.com/c/544298/
> 
> Keeping this script on the V8-side will make it easy to change the
> archived build product.
> 
> NOTRY=true
> 
> Bug: v8:5918
> Change-Id: I9fcb2eae183a26e7ce11c839d95a583a049cbe75
> Reviewed-on: https://chromium-review.googlesource.com/544877
> Commit-Queue: Michael Achenbach <machenbach@chromium.org>
> Reviewed-by: Daniel Vogelheim <vogelheim@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#46135}

TBR=vogelheim@chromium.org
NOTRY=true

Bug: v8:5918
Change-Id: I87b58c78a2cbd97f4da37ac93fe1e8ee77bf5ca0
Reviewed-on: https://chromium-review.googlesource.com/544979Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46138}