Initial commit of PassiveTest

Change-Id: Idcd9a0c72df5eae6b4eedc544e473ebc9763ccdb
(cherry picked from commit 9062322cffd03d2c56b66d040ad13bc562bb6544)
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 @@
+{}