Disable flaky SitePerProcessHitTestBrowserTest

[OverlapSurfaceHitTestTest]

TBR=sunxd@chromium.org

Bug: 833380
Change-Id: I7991db84dd9201e59089f08a536bcab00b23d379
Reviewed-on: https://chromium-review.googlesource.com/1135648
Commit-Queue: Kim Paulhamus <kpaulhamus@chromium.org>
Reviewed-by: Kim Paulhamus <kpaulhamus@chromium.org>
Cr-Commit-Position: refs/heads/master@{#574679}
1 file changed