[sheriff] Disable ZipTeest.BigFile on CrOS

Bug: 1369958
Change-Id: I56e78295ed72dca8df061817bb23781e4cd217ec
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3930126


Reviewed-by: Sergey Poromov <poromov@chromium.org>
Auto-Submit: Aya Elsayed <ayaelattar@chromium.org>
Commit-Queue: Aya Elsayed <ayaelattar@chromium.org>
Owners-Override: Aya Elsayed <ayaelattar@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1053521}
NOKEYCHECK=True
GitOrigin-RevId: e7d6ea8079a745e2925acd3ada4efee9187f3674