GitLab

Remove many expectations as they are obsolete and add two related flaky
expecations.

Bug: 873873, 838057
Change-Id: Ife7c566fb7b41c21cb7ad2bfeb30c81da62b56f1
Reviewed-on: https://chromium-review.googlesource.com/1173194Reviewed-by: Matt Falkenhagen <falken@chromium.org>
Commit-Queue: Yutaka Hirano <yhirano@chromium.org>
Cr-Commit-Position: refs/heads/master@{#582791}