Upate cookbook plugin to latest revision

- Add example for ARRAY ProjectConfigEntry

Change-Id: I48095a80a7c15314d0452e7e7595f474c5a77dda
diff --git a/plugins/cookbook-plugin b/plugins/cookbook-plugin
index ea8c2ed..cccfb37 160000
--- a/plugins/cookbook-plugin
+++ b/plugins/cookbook-plugin
@@ -1 +1 @@
-Subproject commit ea8c2ed60f0459669349d709883c788d4f4d0486
+Subproject commit cccfb378aedc773bd5a82dcb50b1b3d78ce034d0