Updated assets for the Omnibox search button.

Assets were crushed per instructions.

BUG=310240, 311269, 304859
R=oshima@chromium.org

Review URL: https://codereview.chromium.org/78673002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@236251 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 236251