Add an option to apply_issue to fail if anonymous access
triggers a login prompt.
- cherry-pick upload.py rietveld cl 37c73ece82d0 which
   allows clients to request no authentication.

BUG=240634

Review URL: https://chromiumcodereview.appspot.com/20634003

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@214023 0039d316-1c4b-4281-b951-d872f2087c98