Enable appc clustering

Temporarily use a SNAPSHOT APPC image until a new
image is released.

Issue-ID: INT-1055
Signed-off-by: Gary Wu <gary.wu@futurewei.com>
Change-Id: Ic6119621c0b48e20f1f12088edbcac67d9b786a1
diff --git a/deployment/heat/onap-rke/env/windriver/onap-oom.env b/deployment/heat/onap-rke/env/windriver/onap-oom.env
index 68adeb3..fe3a3d3 100644
--- a/deployment/heat/onap-rke/env/windriver/onap-oom.env
+++ b/deployment/heat/onap-rke/env/windriver/onap-oom.env
@@ -55,10 +55,11 @@
           openStackKeyStoneUrl: "http://10.12.25.2:5000/v2.0"
           openStackEncryptedPasswordHere: "${OS_PASSWORD_ENCRYPTED}"
     appc:
+      image: onap/appc-image:1.5.2-SNAPSHOT-20190618T022325Z
       enabled: true
-      replicaCount: 1
+      replicaCount: 3
       config:
-        enableClustering: false
+        enableClustering: true
         openStackType: "OpenStackProvider"
         openStackName: "OpenStack"
         openStackKeyStoneUrl: "http://10.12.25.2:5000/v2.0"