Clean up extreme verbosity of logs in test harness.

au_test_harness/dummy_au_worker.py

Index: au_test_harness/dummy_au_worker.py
diff --git a/au_test_harness/dummy_au_worker.py b/au_test_harness/dummy_au_worker.py
index fa1bee042a5b37b9d3889fff6b2d9ffa7cf82860..750203ea0703def47fecb90f0c35bc0ce37e5adc 100644
--- a/au_test_harness/dummy_au_worker.py
+++ b/au_test_harness/dummy_au_worker.py
@@ -6,6 +6,8 @@
 
 import unittest
 
+import cros_build_lib as cros_lib
+
 import au_worker
 
 class DummyAUWorker(au_worker.AUWorker):
@@ -39,6 +41,7 @@ class DummyAUWorker(au_worker.AUWorker):
     # Generate a value that combines delta with private key path.
     val = src_image_path
     if private_key_path: val = '%s+%s' % (val, private_key_path)
+    cros_lib.Info('Adding update needed from %s to %s' % (image_path, val))
     if not self.delta_list.has_key(image_path):
       self.delta_list[image_path] = set([val])
     else: