Qnx: Fixing refresh of Setup options page after API Level installation

Task-number: QTCREATORBUG-11961
Change-Id: Ib4e2d4513c23ca24fe2b7ca1e2ad97897213c418
Reviewed-by: Mehdi Fekari <mfekari@blackberry.com>
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>
Reviewed-by: David Kaspar <dkaspar@blackberry.com>