mozilla-services/android-sync — pull request #81 by rnewman (2012-02-22 06:41:40+00:00)
Title: Bug 729410 - Implement basic automatic backoff unless a sync is forced.

Android appears to sync every minute or so. That's baaaaad. This patch ensures a minimum backoff of 5 minutes between syncs, unless you force it through the Settings UI.

Fennec will be able to get around this.