Tentatively re-enable HitTestWatermark & HitTestLayerSquashing.

A number of changes have landed recently that may eliminate the
flakieness seen in this test. This CL re-enables the test, but feel
free to revert this if the flakes continue.

Bug: 833380
Change-Id: I013c87578e665cd91f111e2a1c6bb31a58cf6be1
Reviewed-on: https://chromium-review.googlesource.com/1205479
Reviewed-by: Ken Buchanan <kenrb@chromium.org>
Commit-Queue: James MacLean <wjmaclean@chromium.org>
Cr-Commit-Position: refs/heads/master@{#588848}
1 file changed