1. If a print service dies, is restarted and at the time of the
restart the service has neither print jobs nor a discovery
serssion it gets stuck into a bound state. Now it unbinds if
after binding and ensuring it is in the lifecycle state right
before the death there are no active print jobs and no discovery
session.
Also when a print service dies we fail all of its print jobs
but did not update the service that all of its print jobs are
handled, i.e. it has no active print jobs.
2. Fixed a null pointer exception in UserState
bug:10696723
Change-Id: Id0a67846093fca5d4c1e10843eaf6aa90169d942