Fix hooks in DEPS to allow read-only checkout to succeed.

The tool download_from_google_storage requires authentication by default.
The test resources doesn't fit in this category. Using "no_auth" also
allows read-only checkout to sync successfully.

R=andrew@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/7669004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5442 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed