Make Google Cloud Logging the default for GCE

cluster/gce/config-default.sh

@@ -62,7 +62,7 @@ ENABLE_CLUSTER_MONITORING="${KUBE_ENABLE_CLUSTER_MONITORING:-googleinfluxdb}"
 
 # Optional: Enable node logging.
 ENABLE_NODE_LOGGING="${KUBE_ENABLE_NODE_LOGGING:-true}"
-LOGGING_DESTINATION="${KUBE_LOGGING_DESTINATION:-elasticsearch}" # options: elasticsearch, gcp
+LOGGING_DESTINATION="${KUBE_LOGGING_DESTINATION:-gcp}" # options: elasticsearch, gcp
 
 # Optional: When set to true, Elasticsearch and Kibana will be setup as part of the cluster bring up.
 ENABLE_CLUSTER_LOGGING="${KUBE_ENABLE_CLUSTER_LOGGING:-true}"