Update docker node

Update docker node to fetch latest updates
from global-jjb. Particularly, python 3.7.0
installation.

Change-Id: I24273cb532e2d705a34a53407f2f201da0922d03
Issue-ID: CIMAN-34
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
diff --git a/jenkins-config/clouds/openstack/cattle/ubuntu1604-docker-8c-8g.cfg b/jenkins-config/clouds/openstack/cattle/ubuntu1604-docker-8c-8g.cfg
index 60167f2..db219ca 100644
--- a/jenkins-config/clouds/openstack/cattle/ubuntu1604-docker-8c-8g.cfg
+++ b/jenkins-config/clouds/openstack/cattle/ubuntu1604-docker-8c-8g.cfg
@@ -1,3 +1,3 @@
-IMAGE_NAME=ZZCI - Ubuntu 16.04 - docker - x86_64 - 20180903-000118.904
+IMAGE_NAME=ZZCI - Ubuntu 16.04 - docker - x86_64 - 20190123-052615.439
 LABELS=ubuntu1604-docker-8c-8g
 HARDWARE_ID=v2-highcpu-8