[zip] Disable test ZipTest.BigFile on Linux

A few Linux bots are timing out when performing this test.

This test is still running on ChromeOS (which is essentially Linux under
the hood) and Windows (including win-asan).

BUG=chromium:1298347, chromium:1298347
TEST=autoninja -C out/Default zlib_unittests && out/Default/zlib_unittests

Change-Id: I9b12050a788467e616e093e792c247ab32d08d16
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3486320


Reviewed-by: Noel Gordon <noel@chromium.org>
Commit-Queue: François Degros <fdegros@chromium.org>
Cr-Commit-Position: refs/heads/main@{#974496}
NOKEYCHECK=True
GitOrigin-RevId: b0623af23cb06551d7c0030d0425bee29b0a1558