CORD-2941 empty synchronizer framework

Change-Id: I06d27acd11b98060237eccc5ed2ac287fe4642d9
diff --git a/xos/synchronizer/model-deps b/xos/synchronizer/model-deps
new file mode 100644
index 0000000..0967ef4
--- /dev/null
+++ b/xos/synchronizer/model-deps
@@ -0,0 +1 @@
+{}