Please add chromite-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com the committers list in CRIA: https://chrome-infra-auth.appspot.com/auth/groups/project-chromium-robot-committers

Additionally, please:
- Register the account as a user on https://chromium-review.googlesource.com/
- Add the account (or request that it be added) to the google-cla-robot-accounts-external group.

Thanks!