Update notes for submitted changes

* res_pjsip_nat.c: remove x-ast-orig-host from request URI and To header

81/929d478cf37ee610de7ac0b99d70aab9192951

@@ -0,0 +1,9 @@
+Code-Review+1: Joshua Colp <jcolp@sangoma.com>
+Code-Review+1: Kevin Harwell <kharwell@digium.com>
+Code-Review+2: George Joseph <gjoseph@digium.com>
+Verified+2: Friendly Automation
+Submitted-by: Friendly Automation
+Submitted-at: Fri, 22 May 2020 08:51:26 -0500
+Reviewed-on: https://gerrit.asterisk.org/c/asterisk/+/14406
+Project: asterisk
+Branch: refs/heads/16