PlaceCheckinService - queued checkins alarm not fired when expected

```
// If there are still queued checkins then set a non-waking alarm to retry them.

Alarm time set in System.currentTimeMillis()  instead of 
SystemClock.elapsedRealtime()



```

Original issue reported on code.google.com by `p...@paco.sk` on 21 May 2013 at 1:54
