packages/bluez-imx/: update for beaker branch

Change-Id: I96709bc8705b90cf053348bbf65e332798699677

debian/changelog

diff --git a/debian/changelog b/debian/changelog
index ddb0d41..bfbc25f 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+bluez-imx (5.50+imx-mendel1) mendel-beaker; urgency=medium
+
+  * Cut for beaker release and normalization of version.
+  
+ -- AIY Projects <support-aiyprojects@google.com>  Wed, 16 Jan 2019 12:00:00 -0800
+
 bluez-imx (5.50+imx-0) unstable; urgency=medium
 
   * Initial release