x/tools/dashboard/app: have cron.yaml point to build.golang.org

LGTM=dvyukov
R=dvyukov
CC=golang-codereviews
https://golang.org/cl/174600043
1 file changed
tree: 9adf4f3c2a1e97a3040e3c8baa1ccdc95e5ed5b1
  1. app/
  2. builder/
  3. coordinator/
  4. env/
  5. updater/
  6. watcher/
  7. README