VOL-1460 Updated to use a voltha-protos repo as source for protos

Change-Id: I6e88fb3bb16f91941abaad2f0a810ebc5aa29f36
diff --git a/python/adapters/openolt/openolt_alarms.py b/python/adapters/openolt/openolt_alarms.py
index ad6fd99..932855c 100644
--- a/python/adapters/openolt/openolt_alarms.py
+++ b/python/adapters/openolt/openolt_alarms.py
@@ -30,8 +30,8 @@
 from pyvoltha.adapters.extensions.alarms.onu.onu_window_drift_alarm import OnuWindowDriftAlarm
 from pyvoltha.adapters.extensions.alarms.onu.onu_activation_fail_alarm import OnuActivationFailAlarm
 
-import pyvoltha.protos.openolt_pb2 as openolt_pb2
-import pyvoltha.protos.device_pb2 as device_pb2
+import voltha_protos.openolt_pb2 as openolt_pb2
+import voltha_protos.device_pb2 as device_pb2
 
 
 class OpenOltAlarmMgr(object):