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/572033Reviewed-by: Andrii Shyshkalov <tandrii@chromium.org>
Commit-Queue: Aaron Gable <agable@chromium.org>

git_cl.py

@@ -3040,7 +3040,7 @@ class _GerritChangelistImpl(_ChangelistCodereviewBase):
         refspec_opts.append('notify=NONE')
 
     # TODO(tandrii): options.message should be posted as a comment
-    # if --send-email is set on non-initial upload as Rietveld used to do it.
+    # if --send-mail is set on non-initial upload as Rietveld used to do it.
 
     if title:
       if not re.match(r'^[\w ]+$', title):

split_cl.py

@@ -114,11 +114,12 @@ def UploadCl(refactor_branch, refactor_branch_upstream, directory, files,
       [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):