Update notes for submitted changes

* Bridging: Use a ref to bridge_channel's channel to prevent crash.

7e/aae4e7b600ec0aecd6e30b75d89c99241d31fa

@@ -0,0 +1,9 @@
+Code-Review+1: Joshua Colp <jcolp@sangoma.com>
+Code-Review+2: Kevin Harwell <kharwell@digium.com>
+Code-Review+1: George Joseph <gjoseph@digium.com>
+Verified+2: Friendly Automation
+Submitted-by: Friendly Automation
+Submitted-at: Wed, 09 Sep 2020 18:18:08 -0500
+Reviewed-on: https://gerrit.asterisk.org/c/asterisk/+/14870
+Project: asterisk
+Branch: refs/heads/18