CORD-1762 add addressmanager synchronizer image to new build system

Change-Id: Icb7a072ea3aa4d3c57c1ebaba3725341ea8daa3b
(cherry picked from commit 30333863ae0a33c1322b18a7f5f07b0f5e94e523)
diff --git a/docker_images.yml b/docker_images.yml
index 18f4b5d..02c5b3b 100644
--- a/docker_images.yml
+++ b/docker_images.yml
@@ -125,6 +125,11 @@
   - name: xosproject/gui-extension-sample
     repo: xos-sample-gui-extension
 
+  - name: xosproject/addressmanager-synchronizer
+    repo: addressmanager
+    path: "xos/synchronizer"
+    dockerfile: "Dockerfile.synchronizer"
+
   - name: xosproject/openstack-synchronizer
     repo: openstack
     path: "xos/synchronizer"