* Add index for fast Android channel fetch by last seen * Remove gcm_id field * No messages sheet for flow results export on anon orgs * Add periodic task to sync channels we have not seen for a while * Add wait_started_on field to flow session
* Add index for fast Android channel fetch by last seen * Remove gcm_id field * No messages sheet for flow results export on anon orgs * Add periodic task to sync channels we have not seen for a while * Add wait_started_on field to flow session