Disable flaky SitePerProcessHitTestBrowserTest.AsynchronousHitTestChildTimeout/0 on ChromeOS

Bug: 833380
Change-Id: Icebd24dbe4514239ae0a627dd97dd9276f18c40d
Tbr: [email protected]
NoTry: True
Reviewed-on: https://chromium-review.googlesource.com/1139533
Reviewed-by: Xiaocheng Hu <[email protected]>
Commit-Queue: Xiaocheng Hu <[email protected]>
Cr-Commit-Position: refs/heads/master@{#575520}
1 file changed