make pylint behave the same with or without -v

presubmit_canned_checks.py

Index: presubmit_canned_checks.py
diff --git a/presubmit_canned_checks.py b/presubmit_canned_checks.py
index 046424bef4dae723ffe34954109118e6a3679cd3..e55c92c06b1bcfa832826bbb0e0f999423665d9f 100644
--- a/presubmit_canned_checks.py
+++ b/presubmit_canned_checks.py
@@ -675,7 +675,12 @@ def RunPylint(input_api, output_api, white_list=None, black_list=None,
       return 'Pylint failed!'
 
   result = None
-  if not input_api.verbose:
+  # Always run pylint and pass it all the py files at once.
+  # Passing py files one at time is slower and can produce
+  # different results.  input_api.verbose used to be used
+  # to enable this behaviour but differing behaviour in
+  # verbose mode is not desirable.
+  if True:
     result = run_lint(sorted(files))
   else:
     for filename in sorted(files):