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/upload_prebuilts.py b/scripts/upload_prebuilts.py
index d631324..ec193f4 100644
--- a/scripts/upload_prebuilts.py
+++ b/scripts/upload_prebuilts.py
@@ -435,7 +435,7 @@
     uploads = pkg_index.ResolveDuplicateUploads(self._pkg_indexes)
     unmatched_pkgs = self._packages - self._found_packages
     if unmatched_pkgs:
-      logging.warning('unable to match packages: %r' % unmatched_pkgs)
+      logging.warning('unable to match packages: %r', unmatched_pkgs)
 
     # Write Packages file.
     pkg_index.header['TTL'] = _BINPKG_TTL