Update notes for submitted changes

* res_stasis_playback: Prevent media_index from going out of bounds

8b/8c1dd07f722fadc55c712c32189e6479e06f00

@@ -0,0 +1,9 @@
+Code-Review+1: Joshua Colp <jcolp@sangoma.com>
+Code-Review+1: Benjamin Keith Ford <bford@digium.com>
+Code-Review+2: George Joseph <gjoseph@digium.com>
+Verified+2: Friendly Automation
+Submitted-by: Friendly Automation
+Submitted-at: Wed, 05 Feb 2020 09:48:04 -0600
+Reviewed-on: https://gerrit.asterisk.org/c/asterisk/+/13708
+Project: asterisk
+Branch: refs/heads/17