Change default pull policy to IfNotPresent

Change-Id: I4d5769a49b0c9d875f6fd18b419ea0ae2ad4dc1e
Issue-ID: INT-381
Signed-off-by: Gary Wu <gary.i.wu@huawei.com>
diff --git a/deployment/heat/onap-oom/env/huawei/onap-beijing-oom.env b/deployment/heat/onap-oom/env/huawei/onap-beijing-oom.env
index 4cdd16c..f50d85a 100644
--- a/deployment/heat/onap-oom/env/huawei/onap-beijing-oom.env
+++ b/deployment/heat/onap-oom/env/huawei/onap-beijing-oom.env
@@ -15,7 +15,7 @@
   integration_override_yaml: >
     global:
       repository: 10.145.122.118:5000
-      pullPolicy: Always
+      pullPolicy: IfNotPresent
     robot:
       openStackKeyStoneUrl: "http://10.145.122.117:5000"
       openStackPublicNetId: "3a6247f1-fac6-4167-a49f-33cc8415ccf4"