Disable failing mash browser tests

TBR: sky@chromium.org
Change-Id: If6d923433b35ea0500bd75cad2057cab11a5d3e2
Reviewed-on: https://chromium-review.googlesource.com/c/1409907
Reviewed-by: Robbie McElrath <rmcelrath@chromium.org>
Commit-Queue: Robbie McElrath <rmcelrath@chromium.org>
Cr-Commit-Position: refs/heads/master@{#622618}
1 file changed