Disable test for ntp4 on TOUCH_UI
Disable test for ntp4 on TOUCH_UI

NTP4 is disabled on touch ui, so the test failed.  Link this to a crbug, as well as the code to disable NTP4, so that the two can be kept in sync when it is turned on for TOUCH_UI.

Relevant bug: http://crbug.com/99895

BUG=
TEST=

Review URL: http://codereview.chromium.org/8227027

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@105061 0039d316-1c4b-4281-b951-d872f2087c98

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