Extend the service configuration for the binding service.

Since the package name may be the same of cellular and
IWLAN data service, network service and qualified network
service. Adding class name to specify those services for
IWLAN AP-assisted mode.

Bug: 130262388
Test: Adding IWLAN data service/IWLAN network service
and use new configuration to bind the service.

Change-Id: Ib2d0aa94d0552dc2575aebd3760f1c44ca8cc038