Disable AutofillInteractiveIsolationTest.SimpleCrossSiteFill on ChromeOS

All/AutofillInteractiveIsolationTest.SimpleCrossSiteFill/1 is flaky.
I wasn't able to find a good culprit, so let me disable this so
that owners can figure out.

TBR=estade@chromium.org

Bug: 843935
Change-Id: I3e135fdd51b3b31cfb0fe4af4a031d62984377da
No-Try: True
Reviewed-on: https://chromium-review.googlesource.com/1063418
Reviewed-by: Kinuko Yasuda <kinuko@chromium.org>
Commit-Queue: Kinuko Yasuda <kinuko@chromium.org>
Cr-Commit-Position: refs/heads/master@{#559474}
1 file changed