Make update_local_repos happen every minute
Make update_local_repos happen every minute

Summary:
Waiting 5 minutes for a commit to show up is too long.
1 minute is also too long, but seems safe.

Test Plan: None

Reviewers: paulruan

Reviewed By: paulruan

Subscribers: changesbot

Differential Revision: https://tails.corp.dropbox.com/D208686

dropbox/changes,dropbox/changes,dropbox/changes,dropbox/changes