Bug Fix - 2305: Automated scaling of Vnf is not happening through metrics...

Bug Fix - 2305: Automated scaling of Vnf is not happening through metrics collected by feature Service KPI of VNF using exporter endpoint

Change-Id: I5e7049693ccdffbe263b44cb16b7e0a155886207
Signed-off-by: Rahul Kumar <rahul.k4@tataelxsi.co.in>