CORD-1849 Split XOS code out of OLT and VTN repos

Change-Id: I1511907372fba0bdb02e8603d916876b9d6ae180
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 @@
+{}