Update helm version to 2.7.2.

Change-Id: I14acff5cad357d89de6f93bdf7bb182164676d62
Issue-ID: INT-381
Signed-off-by: Helen Chen <helen.chen@huawei.com>
diff --git a/deployment/heat/onap-oom/k8s_vm_entrypoint.sh b/deployment/heat/onap-oom/k8s_vm_entrypoint.sh
index 14dcf25..69380e7 100644
--- a/deployment/heat/onap-oom/k8s_vm_entrypoint.sh
+++ b/deployment/heat/onap-oom/k8s_vm_entrypoint.sh
@@ -34,8 +34,8 @@
 mkdir ~/.kube
 
 # install helm
-wget -q http://storage.googleapis.com/kubernetes-helm/helm-v2.6.1-linux-amd64.tar.gz
-tar -zxvf helm-v2.6.1-linux-amd64.tar.gz
+wget -q http://storage.googleapis.com/kubernetes-helm/helm-v2.7.2-linux-amd64.tar.gz
+tar -zxvf helm-v2.7.2-linux-amd64.tar.gz
 sudo mv linux-amd64/helm /usr/local/bin/helm
 
 # Fix virtual memory allocation for onap-log:elasticsearch: