CORD-2476 build rcord synchronizer

Change-Id: I50220eb9c566d2e7a3a26fa19104bb36ee98a233
diff --git a/docker_images.yml b/docker_images.yml
index ce41938..752d15d 100644
--- a/docker_images.yml
+++ b/docker_images.yml
@@ -251,3 +251,8 @@
     repo: templateservice
     path: "xos/synchronizer"
     dockerfile: "Dockerfile.synchronizer"
+
+  - name: xosproject/rcord-synchronizer
+    repo: rcord
+    path: "xos/synchronizer"
+    dockerfile: "Dockerfile.synchronizer"