Fix typo with --send-email [sic] flags

The actual flag is --send-mail. Also includes a fix
to publish these changes if a comment is included.

Bug: 740950
Change-Id: I38ca0a35c1364c8364eb0ef301137c04daede40b
Reviewed-on: https://chromium-review.googlesource.com/572033
Reviewed-by: Andrii Shyshkalov <tandrii@chromium.org>
Commit-Queue: Aaron Gable <agable@chromium.org>
diff --git a/split_cl.py b/split_cl.py
index 7785cb8..1614372 100644
--- a/split_cl.py
+++ b/split_cl.py
@@ -114,11 +114,12 @@
       [f.LocalPath() for f in files], author)
   upload_args = ['-f', '--cq-dry-run', '-r', ','.join(reviewers)]
   if not comment:
-    upload_args.append('--send-email')
+    upload_args.append('--send-mail')
   print 'Uploading CL for ' + directory + '.'
   cmd_upload(upload_args)
   if comment:
-    changelist().AddComment(FormatDescriptionOrComment(comment, directory))
+    changelist().AddComment(FormatDescriptionOrComment(comment, directory),
+                            publish=True)
 
 
 def GetFilesSplitByOwners(owners_database, files):