OSM-989 Fetch vnfrs and vnfds using activity

Change-Id: Iabcf10a36b8690ab5952ae46891c8dcc218a2a86
Signed-off-by: Gulsum Atici <gulsum.atici@canonical.com>
diff --git a/osm_lcm/nglcm.py b/osm_lcm/nglcm.py
index c62719f..a3c57b3 100644
--- a/osm_lcm/nglcm.py
+++ b/osm_lcm/nglcm.py
@@ -172,9 +172,10 @@
             vim_data_activity_instance.update_vim_operation_state,
             vim_data_activity_instance.update_vim_state,
             vim_data_activity_instance.delete_vim_record,
-            vnf_operation_instance.get_task_queue,
             vnf_data_activity_instance.change_vnf_state,
             vnf_data_activity_instance.change_vnf_instantiation_state,
+            vnf_operation_instance.get_task_queue,
+            vnf_operation_instance.get_vnf_details,
             vnf_send_notifications_instance.send_notification_for_vnf,
             vnf_data_activity_instance.set_vnf_model,
         ]