BTA_GATTS_CreateService() function

* Function BTA_GATTS_CreateService * Description Create a service. When service creation is done, a callback * event BTA_GATTS_CREATE_EVT is called to report status * and service ID to the profile. The service ID obtained in * the callback function needs to be used when adding included * service and characteristics/descriptors into the service. * Parameters app_id: Profile ID this service is belonged to. * p_service_uuid: service UUID. * inst: instance ID number of this service. * num_handle: numble of handle requessted for this service. * is_primary: is this service a primary one or not. * Returns void