Fix gcl to look for newly-added codereview.settings files as well as modified codereview.settings files.
Fix gcl to look for newly-added codereview.settings files as well as modified
codereview.settings files.

  BUG=none
  TEST=none
  R=maruel@chromium.org

Review URL: http://codereview.chromium.org/354023

git-svn-id: bd64dd6fa6f3f0ed0c0666d1018379882b742947@30910 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

svn2github/chromium-depot-tools,svn2github/chromium-depot-tools,svn2github/chromium-depot-tools