presubmit: Fix checking if code-owners enabled for repo.

Change-Id: I22e6a9d4405d92d26dfbfba64735b6e9ce92674c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2729404
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>
Commit-Queue: Josip Sokcevic <sokcevic@google.com>
Auto-Submit: Edward Lesmes <ehmaldonado@chromium.org>
Reviewed-by: Josip Sokcevic <sokcevic@google.com>

presubmit_support.py

@@ -470,7 +470,7 @@ class GerritAccessor(object):
   def IsCodeOwnersEnabledOnRepo(self):
     if self.code_owners_enabled is None:
       self.code_owners_enabled = gerrit_util.IsCodeOwnersEnabledOnRepo(
-          self.host, self.repo)
+          self.host, self.project)
     return self.code_owners_enabled