Updated chrome/browser/policy/DEPS.

The policy_path_parser files will not move into the policy component. The
policy handlers that use the path_parser will have to stay in //chrome as
well.

BUG=271392

Review URL: https://codereview.chromium.org/26491011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@228697 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 228697