Revert of Reenable DevToolsSanityTest.TestDeviceEmulation. (patchset #1 id:1 of https://codereview.chromium.org/
564763002/)
Reason for revert:
Fails on the main waterfall on Windows and Linux:
https://build.chromium.org/p/chromium.win/builders/Win7%20Tests%20(dbg)(2)/builds/22510
https://build.chromium.org/p/chromium.linux/builders/Linux%20Tests%20(dbg)(1)/builds/33246
Original issue's description:
> Reenable DevToolsSanityTest.TestDeviceEmulation.
>
> BUG=397889
> TBR=pfeldman@chromium.org
>
> Committed: https://crrev.com/
8844a8eba4465ff5f66bff5b7db195a0192625c3
> Cr-Commit-Position: refs/heads/master@{#294375}
TBR=pfeldman@chromium.org,dgozman@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=397889
Review URL: https://codereview.chromium.org/
562343002
Cr-Commit-Position: refs/heads/master@{#294431}