changelog: Bump the revision for the next release.

Change-Id: Iab25ed5dc7ba42209d54824a6bec5a6fea4c0b86

debian/changelog

diff --git a/debian/changelog b/debian/changelog
index 5a7b0e7..024cb5c 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+usb-gadget (3-1) mendel-day; urgency=medium
+
+  * Prevent ttyGS0 from timing out and filling the logs with noise
+
+ -- Coral <coral-support@google.com>  Tue, 22 Oct 2019 15:45:38 -0500
+
 usb-gadget (2-1) mendel-day; urgency=medium
 
   * Cut for day release