git-drover: send mail and don't use WIP mode

R=avayvod

Bug: 738116
Change-Id: Idd1ea46dfd876b800868bba9cc981a4093e1c809
Reviewed-on: https://chromium-review.googlesource.com/556302
Reviewed-by: Andrew Bonventre <andybons@chromium.org>
Commit-Queue: Andrew Bonventre <andybons@chromium.org>

git_drover.py

@@ -277,7 +277,7 @@ class _Drover(object):
     self._run_git_command(['reset', '--hard'])
 
     author = self._run_git_command(['log', '-1', '--format=%ae']).strip()
-    self._run_git_command(['cl', 'upload', '--tbrs', author],
+    self._run_git_command(['cl', 'upload', '--send-mail', '--tbrs', author],
                           error_message='Upload failed',
                           interactive=True)
 

tests/git_drover_test.py

@@ -63,7 +63,7 @@ class GitDroverTest(auto_stub.TestCase):
     self.UPLOAD_COMMANDS = [
         (['git', 'reset', '--hard'], self._target_repo),
         (['git', 'log', '-1', '--format=%ae'], self._target_repo),
-        (['git', 'cl', 'upload', '--tbrs', 'author@domain.org'],
+        (['git', 'cl', 'upload', '--send-mail', '--tbrs', 'author@domain.org'],
          self._target_repo),
     ]
     self.LAND_COMMAND = [