Gerrit: git cl set-commit -d: don't spam reviwers/owner.

R=sergiyb@chromium.org,machenbach@chromium.org
BUG=

Change-Id: Ia89e91479c22adeebc85a4432cd9f7b8d95a8fde
Reviewed-on: https://chromium-review.googlesource.com/418655
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Andrii Shyshkalov <tandrii@chromium.org>
diff --git a/git_cl.py b/git_cl.py
index 95d673d..46af2bc 100755
--- a/git_cl.py
+++ b/git_cl.py
@@ -3023,8 +3023,11 @@
         _CQState.DRY_RUN: 1,
         _CQState.COMMIT : 2,
     }
-    gerrit_util.SetReview(self._GetGerritHost(), self.GetIssue(),
-                          labels={'Commit-Queue': vote_map[new_state]})
+    kwargs = {'labels': {'Commit-Queue': vote_map[new_state]}}
+    if new_state == _CQState.DRY_RUN:
+      # Don't spam everybody reviewer/owner.
+      kwargs['notify'] = 'NONE'
+    gerrit_util.SetReview(self._GetGerritHost(), self.GetIssue(), **kwargs)
 
   def CannotTriggerTryJobReason(self):
     try: