Update policy docker v1.1.2

Change-Id: I0ae15a0e489dc23d9c2e0b1faf6c267a9cf7d095
Issue-ID: POLICY-486
Signed-off-by: Pamela Dragosh <pdragosh@research.att.com>

heat/ONAP/onap_openstack.env

@@ -133,7 +133,7 @@ parameters:
   appc_docker: v1.2.0
   so_docker: v1.1.1
   dcae_docker: v1.1.0
-  policy_docker: v1.1.1
+  policy_docker: v1.1.2
   portal_docker: v1.3.0
   robot_docker: 1.1-STAGING-latest
   sdc_docker: v1.1.0