Setting imagePullPolicy to Always

Change-Id: Iada3d3656a672154da6641c3ee55b57ec4c28fcb
diff --git a/onos/values.yaml b/onos/values.yaml
index 795176a..e33d2ba 100644
--- a/onos/values.yaml
+++ b/onos/values.yaml
@@ -20,7 +20,7 @@
 
 replicaCount: 1
 
-imagePullPolicy: IfNotPresent
+imagePullPolicy: Always
 onosImage: 'onosproject/onos:1.13.1'
 
 nameOverride: ""