fix redirects, as per linkchecker cl: https://critique.corp.google.com/#review/122012121 am: 0772f44acf
am: 718d27d8dc

* commit '718d27d8dcd94a8b86ceb6e63782c8265f101570':
  fix redirects, as per linkchecker cl: https://critique.corp.google.com/#review/122012121

Change-Id: I0d6623892a7dc99a35a2ef4f2e1f9431ab111117