autoupdate.py: Pass missing ResponseProperties to nebraska

This CL passes all the incoming query strings in update/ API to nebraska
to make sure all responses have what we requested.

BUG=chromium:1004487
TEST=autoupdate_unittest.py
TEST=devserver_integration_test.py

Change-Id: Iab83a264ec4a0ceb2c16af9cad3c61a75edd902e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/2055463
Tested-by: Amin Hassani <ahassani@chromium.org>
Commit-Queue: Amin Hassani <ahassani@chromium.org>
Reviewed-by: David Haddock <dhaddock@chromium.org>
diff --git a/autoupdate.py b/autoupdate.py
index 5e76467..6f9e83a 100644
--- a/autoupdate.py
+++ b/autoupdate.py
@@ -437,8 +437,8 @@
               _Log(err_msg)
 
       _Log('A non-update event notification received. Returning an ack.')
-      nebraska_obj = nebraska.Nebraska()
-      return nebraska_obj.GetResponseToRequest(request)
+      return nebraska.Nebraska().GetResponseToRequest(
+          request, response_props=nebraska.ResponseProperties(**kwargs))
 
     # Make sure that we did not already exceed the max number of allowed update
     # responses. Note that the counter is only decremented when the client
@@ -450,10 +450,10 @@
 
     if self.max_updates == 0 or max_updates == 0:
       _Log('Request received but max number of updates already served.')
-      nebraska_obj = nebraska.Nebraska()
-      response_props = nebraska.ResponseProperties(no_update=True)
-      return nebraska_obj.GetResponseToRequest(request,
-                                               response_props=response_props)
+      kwargs['no_update'] = True
+      # Override the noupdate to make sure the response is noupdate.
+      return nebraska.Nebraska().GetResponseToRequest(
+          request, response_props=nebraska.ResponseProperties(**kwargs))
 
     _Log('Update Check Received.')
 
@@ -474,9 +474,8 @@
         update_payloads_address=base_url,
         update_metadata_dir=local_payload_dir)
     nebraska_obj = nebraska.Nebraska(nebraska_props=nebraska_props)
-    response_props = nebraska.ResponseProperties(**kwargs)
-    return nebraska_obj.GetResponseToRequest(request,
-                                             response_props=response_props)
+    return nebraska_obj.GetResponseToRequest(
+        request, response_props=nebraska.ResponseProperties(**kwargs))
 
   def HandleHostInfoPing(self, ip):
     """Returns host info dictionary for the given IP in JSON format."""