ADTRAN: Update to containerized adapters.
Loading and running but still needs about a week or so of work to
catch up to where the OpenOLT/ONU containerized adapters are

Change-Id: I5522232e21dd76b3f95b4698af6c7e4cef96753d
diff --git a/requirements.txt b/requirements.txt
index 0ccfe39..aa62e19 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,8 +1,9 @@
+lxml==3.6.4
 ncclient==0.5.3
 packaging==17.1
 pyvoltha==0.1.7
-lxml==3.6.4
-zmq==0.0.0
 pyzmq==16.0.3
 txZMQ==0.8.0
+voltha-protos==0.1.0
 xmltodict==0.11.0
+zmq==0.0.0