lint: Enable logging checker for cros_logging module

The 'logging-modules' pylint option allows us to apply the logging
checker to the cros_logging module.

Fixed all logging checker errors found by this new coverage.

BUG=none
TEST=`cros lint`: no more logging errors

Change-Id: I231f6f7bf376b7ebc433de3a23b2b1e73dd5fa9f
Reviewed-on: https://chromium-review.googlesource.com/1194187
Commit-Ready: Lann Martin <lannm@chromium.org>
Tested-by: Lann Martin <lannm@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
diff --git a/scripts/dep_tracker.py b/scripts/dep_tracker.py
index a99f7e7..87c77a0 100644
--- a/scripts/dep_tracker.py
+++ b/scripts/dep_tracker.py
@@ -172,7 +172,7 @@
         pkg_files.append(rel_path)
         file_data = self._files[rel_path]
         if 'ebuild' in file_data:
-          logging.warning('Duplicated entry for %s: %s and %',
+          logging.warning('Duplicated entry for %s: %s and %s',
                           rel_path, file_data['ebuild'], cpf)
         file_data['ebuild'] = cpf
         pkg_size += file_data['size']