Add load:search:google:2018 to list of failing system health tests

TBR=perezju@chromium.org

Bug: 964804
Change-Id: Ic9dbdd1cc21982fe99f16c928170456219f37f42
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1619514
Reviewed-by: Fergus Dall <sidereal@google.com>
Cr-Commit-Position: refs/heads/master@{#661287}
1 file changed