VOL-1452 Changes to make runnable with old openolt code

Updates to mostly make the openolt adapter talk to the core.
Still have to implement adding logical devices

Change-Id: I3140af196eb38d8beb225a864b1fc42fe5242329
diff --git a/python/adapters/openolt/openolt_alarms.py b/python/adapters/openolt/openolt_alarms.py
index 764a013..aa227d3 100644
--- a/python/adapters/openolt/openolt_alarms.py
+++ b/python/adapters/openolt/openolt_alarms.py
@@ -30,7 +30,7 @@
 from voltha.extensions.alarms.onu.onu_window_drift_alarm import OnuWindowDriftAlarm
 from voltha.extensions.alarms.onu.onu_activation_fail_alarm import OnuActivationFailAlarm
 
-import protos.openolt_pb2 as openolt_pb2
+import voltha.protos.openolt_pb2 as openolt_pb2
 import voltha.protos.device_pb2 as device_pb2