Fix bug 1884 MON openstack token optimization
Reuse the openstack session created in infra collection,
thereby collecting infra and vnf metrics per vim account.
Change-Id: I7d9c9e32b366822101699f56cbf6fc8f8ec6f233
Signed-off-by:
preethika.p <preethika.p@tataelxsi.co.in>