Prefer overridden dependencies.

recipes.py

Index: recipes.py
diff --git a/recipes.py b/recipes.py
index e839b59f78cd7011e2bab640b09aa978d2ee863a..744aa6f5d6e4215f253ffbf954d25c2ead5a46df 100755
--- a/recipes.py
+++ b/recipes.py
@@ -10,6 +10,7 @@ infra/config/recipes.cfg.
 """
 
 import argparse
+import collections
 import json
 import logging
 import os
@@ -198,7 +199,7 @@ class ProjectOverrideAction(argparse.Action):
 
     v = getattr(namespace, self.dest, None)
     if v is None:
-      v = {}
+      v = collections.OrderedDict()
       setattr(namespace, self.dest, v)
 
     if v.get(project_id):