Replace deprecatedPublicIPs with externalIPs for Heapster.

Service heapster-address is not going to be created in automatic way by
kube addon manager because if fails on validating (for kubernetes version > 1.6).
Version 1.6 support externalIPs:
https://v1-6.docs.kubernetes.io/docs/api-reference/v1.6/#service-v1-core

Change-Id: I426eea1031b9228ad54272e77cfed428f4bcdf08
diff --git a/kubernetes/files/kube-addons/heapster-influxdb/heapster-address.yaml b/kubernetes/files/kube-addons/heapster-influxdb/heapster-address.yaml
index 5fa86f3..d2f7851 100644
--- a/kubernetes/files/kube-addons/heapster-influxdb/heapster-address.yaml
+++ b/kubernetes/files/kube-addons/heapster-influxdb/heapster-address.yaml
@@ -15,5 +15,5 @@
     targetPort: 8082
   selector:
     k8s-app: heapster
-  deprecatedPublicIPs: ['{{ common.addons.heapster_influxdb.public_ip }}']
+  externalIPs: ['{{ common.addons.heapster_influxdb.public_ip }}']
   type: LoadBalancer