Disable yet another policy test.

BUG=330454
TBR=skuhne@chromium.org,mnissler@chromium.org

Review URL: https://codereview.chromium.org/105363006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@242350 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 242350