Update notes for submitted changes

* chan_dahdi: PRI span status may stay "Down, Active" after a short alarm

a6/8299f5088cbb1357737bf3e396b69a1cf49fbf

@@ -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: Friendly Automation
+Submitted-by: Friendly Automation
+Submitted-at: Thu, 21 Nov 2019 09:23:15 -0600
+Reviewed-on: https://gerrit.asterisk.org/c/asterisk/+/13246
+Project: asterisk
+Branch: refs/heads/master