Adding hippie-oss to example files

Change-Id: I47b7dced33d8f04f4cbf54186aa4ee9856d6f443
diff --git a/examples/filter-images.yaml b/examples/filter-images.yaml
index ed40c95..78af324 100644
--- a/examples/filter-images.yaml
+++ b/examples/filter-images.yaml
@@ -58,6 +58,7 @@
 - "xosproject/progran-synchronizer"
 
 # others
+- xosproject/hippie-oss-synchronizer
 - xosproject/kubernetes-synchronizer
 - xosproject/exampleservice-synchronizer
 - xosproject/simpleexampleservice-synchronizer