git-cl: Set Code-Review label as a git push argument.

Bug: 877717
Change-Id: I6541a971068aae662b086eba84448bd0769f1a09
Reviewed-on: https://chromium-review.googlesource.com/c/1362405
Reviewed-by: Andrii Shyshkalov <tandrii@chromium.org>
Reviewed-by: Edward Lesmes <ehmaldonado@chromium.org>
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>
diff --git a/metrics_utils.py b/metrics_utils.py
index 60328a6..37b668d 100644
--- a/metrics_utils.py
+++ b/metrics_utils.py
@@ -147,6 +147,8 @@
   'cc',
   'hashtag',
   'l=Auto-Submit+1',
+  'l=Code-Review+1',
+  'l=Code-Review+2',
   'l=Commit-Queue+1',
   'l=Commit-Queue+2',
   'label',