Print presubmit command during git cl upload.

Bug: 329231688
Change-Id: I45d0afbebf01ea1cba4d7fdf32843a8e11eb424c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/5401481
Auto-Submit: Joanna Wang <jojwang@chromium.org>
Commit-Queue: Aravind Vasudevan <aravindvasudev@google.com>
Reviewed-by: Aravind Vasudevan <aravindvasudev@google.com>
Commit-Queue: Joanna Wang <jojwang@chromium.org>

git_cl.py

@@ -1682,9 +1682,13 @@ class Changelist(object):
         remote, remote_branch = self.GetRemoteBranch()
         target_ref = GetTargetRef(remote, remote_branch, None)
         if settings.GetIsGerrit():
-            args.extend(['--gerrit_url', self.GetCodereviewServer()])
-            args.extend(['--gerrit_project', self.GetGerritProject()])
-            args.extend(['--gerrit_branch', target_ref])
+            gerrit_args = []
+            gerrit_args.extend(['--gerrit_url', self.GetCodereviewServer()])
+            gerrit_args.extend(['--gerrit_project', self.GetGerritProject()])
+            gerrit_args.extend(['--gerrit_branch', target_ref])
+            print(f'Extending presubmit args with gerrit args {gerrit_args}')
+            args.extend(gerrit_args)
+
 
         author = self.GetAuthor()
         issue = self.GetIssue()