Disable ParseCapabilities.MobileEmulationDeviceName

This test relies on data extracted from the Chrome DevTools (Blink-side)
frontend JavaScript code in a controversial manner

BUG=392430
TBR=stgao@chromium.org
NOTRY=true
NOTREECHECKS=true

Review URL: https://codereview.chromium.org/379833002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@282007 0039d316-1c4b-4281-b951-d872f2087c98