Disable flaky test serviceworker-proxied/thorough/auth-other-https.html

The test is timing out.

TBR=ricea

Bug: 955883
Change-Id: Ia780e55b9f3629e91037a1d3795d832925e0fbfa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1581340
Reviewed-by: David Roger <droger@chromium.org>
Commit-Queue: David Roger <droger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#653523}
1 file changed