Fix some incorrect comments in app_list_win_unittests.

BUG=317944

Review URL: https://codereview.chromium.org/73833002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@235717 0039d316-1c4b-4281-b951-d872f2087c98
Swap IDR_OMNIBOX_FILLING.* so that the omnibox is not semi transparent on CrOS

BUG=309569
TEST=Manual, see bug
R=oshima

Review URL: https://codereview.chromium.org/74083004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@235718 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 235718