Update notes for submitted changes

* res_musiconhold: Add new 'playlist' mode

75/50a82fe0cfbcf1309bb410293c8086a13a8bd2

@@ -0,0 +1,9 @@
+Code-Review+1: Kevin Harwell <kharwell@digium.com>
+Code-Review+1: Joshua Colp <jcolp@digium.com>
+Code-Review+2: George Joseph <gjoseph@digium.com>
+Verified+2: George Joseph <gjoseph@digium.com>
+Submitted-by: George Joseph <gjoseph@digium.com>
+Submitted-at: Fri, 27 Sep 2019 08:57:23 -0500
+Reviewed-on: https://gerrit.asterisk.org/c/asterisk/+/12958
+Project: asterisk
+Branch: refs/heads/17