Update banned words flag

This change updates banned words flag from 'uploadvalidator~skip' to 'banned-words~skip'.

Bug: None
Change-Id: I2d544171d01e6f61415ba7df03b31e7111226342
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/4327604
Reviewed-by: Josip Sokcevic <sokcevic@chromium.org>
Commit-Queue: Aravind Vasudevan <aravindvasudev@google.com>
diff --git a/git_cl.py b/git_cl.py
index 9dced40..5cb46e7 100755
--- a/git_cl.py
+++ b/git_cl.py
@@ -2654,8 +2654,8 @@
             'Please examine output above for the reason of the failure.\n'
             'If this is a false positive, you can try to bypass blocked '
             'keyword by using push option '
-            '-o uploadvalidator~skip, e.g.:\n'
-            'git cl upload -o uploadvalidator~skip\n\n'
+            '-o banned-words~skip, e.g.:\n'
+            'git cl upload -o banned-words~skip\n\n'
             'If git-cl is not working correctly, file a bug under the '
             'Infra>SDK component.')
       if 'git push -o nokeycheck' in str(e.stdout):