Update notes for submitted changes

* app_stream_echo: Fix state of added streams.

39/7aa391b7287f5962fe05fefeaf2a5f71cc52ad

@@ -0,0 +1,9 @@
+Code-Review+1: Kevin Harwell <kharwell@digium.com>
+Code-Review+1: Benjamin Keith Ford <bford@digium.com>
+Code-Review+2: George Joseph <gjoseph@digium.com>
+Verified+2: Joshua Colp <jcolp@sangoma.com>
+Submitted-by: Joshua Colp <jcolp@sangoma.com>
+Submitted-at: Fri, 19 Jun 2020 09:15:28 -0500
+Reviewed-on: https://gerrit.asterisk.org/c/asterisk/+/14567
+Project: asterisk
+Branch: refs/heads/16