Update notes for submitted changes

* app_mixmonitor: Turn on synchronization by default

8d/cdce42a90724d9a50ba06a973fb778db583deb

@@ -0,0 +1,9 @@
+Code-Review+1: George Joseph <gjoseph@digium.com>
+Code-Review+1: Joshua Colp <jcolp@sangoma.com>
+Code-Review+2: Kevin Harwell <kharwell@digium.com>
+Verified+2: Kevin Harwell <kharwell@digium.com>
+Submitted-by: Kevin Harwell <kharwell@digium.com>
+Submitted-at: Thu, 27 Feb 2020 13:17:19 -0600
+Reviewed-on: https://gerrit.asterisk.org/c/asterisk/+/13809
+Project: asterisk
+Branch: refs/heads/master