[BUG-FIX] Correct Vagrant-Ansible scripts bug. User sdn was not created.

Change-Id: Ia93444b998dec992e6703b2b410d579917044b7a
diff --git a/tools/dev/vagrant/ansible/onos-dev-clean.yml b/tools/dev/vagrant/ansible/onos-dev-clean.yml
index b134c32..8501293 100644
--- a/tools/dev/vagrant/ansible/onos-dev-clean.yml
+++ b/tools/dev/vagrant/ansible/onos-dev-clean.yml
@@ -1,6 +1,6 @@
 ---
 #
-# Installs Java, configures ONOS bridges and LXC
+# Creates the user sdn, installs Java, configures ONOS bridges and LXC
 #
 - name: Include vars
   hosts: localhost
@@ -11,6 +11,7 @@
   remote_user: vagrant
   serial: 1
   roles:
+    - user-sdn
     - brctl
     - java8-oracle
     - lxc
\ No newline at end of file