Android: A new positioninfosource is always initialized with NoError

Task-number: QTBUG-41873
Change-Id: Ic6efadbdf92a2d43151089509708556e48748120
Reviewed-by: Timur Pocheptsov <Timur.Pocheptsov@digia.com>
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@theqtcompany.com>