bisect-kit: fix bug: passing incorrect argument to action.summary

BUG=b:159179185
TEST=None

Change-Id: I44dedc99df087100e88954478a80695e85e5f972
diff --git a/bisect_kit/codechange.py b/bisect_kit/codechange.py
index 4117947..842da87 100644
--- a/bisect_kit/codechange.py
+++ b/bisect_kit/codechange.py
@@ -442,7 +442,7 @@
 
   def batch_apply(commits):
     for i, _, commit_action in sorted(commits.values(), key=lambda x: x[:2]):
-      logger.debug('[%d] applying "%r"', i, commit_action.summary(code_storage))
+      logger.debug('[%d] applying "%r"', i, commit_action.summary())
       commit_action.apply(code_storage, root_dir)
 
   for i, action_group in enumerate(action_groups, 1):