GitLab

Disables the flaky test
  virtual/cors-rfc1918/http/tests/security/cors-rfc1918/
    addressspace-serviceworker-basic.html
on Linux.

TBR=nhiroki@chromium.org

BUG=chromium:988074
TEST=Made sure failure is OK. Failure shows up as
     "The test ran as expected (0 passed, 1 didn't)."

Change-Id: I5a49ca60b7ab3bc1b15f96ffad456be65c9e35a9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1722543
Commit-Queue: Lutz Justen <ljusten@chromium.org>
Reviewed-by: Lutz Justen <ljusten@chromium.org>
Cr-Commit-Position: refs/heads/master@{#681792}