Update notes for submitted changes

* samples: Fix keep_alive_interval default in pjsip.conf.

af/c5cf8d677686fb567464e2ddb21f639a95953c

@@ -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: Kevin Harwell <kharwell@digium.com>
+Submitted-by: Kevin Harwell <kharwell@digium.com>
+Submitted-at: Fri, 28 Aug 2020 15:47:38 -0500
+Reviewed-on: https://gerrit.asterisk.org/c/asterisk/+/14826
+Project: asterisk
+Branch: refs/heads/16