Update notes for submitted changes

* pbx: deadlock when outgoing dialed channel hangs up too quickly

bf/6f27388d33c7fd8df97d42b2cb6996a525ec63

@@ -0,0 +1,9 @@
+Code-Review+1: Benjamin Keith Ford <bford@digium.com>
+Code-Review+1: George Joseph <gjoseph@digium.com>
+Code-Review+2: Joshua Colp <jcolp@digium.com>
+Verified+2: Friendly Automation
+Submitted-by: Friendly Automation
+Submitted-at: Mon, 14 Oct 2019 07:16:25 -0500
+Reviewed-on: https://gerrit.asterisk.org/c/asterisk/+/13034
+Project: asterisk
+Branch: refs/heads/master