VOL-3588 Update OFAgent to support new version of protos

Change-Id: Ic3944779f9a600ebcd5d7a916616f473059e311e
diff --git a/vendor/modules.txt b/vendor/modules.txt
index eae9bee..15da69e 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -6,7 +6,7 @@
 github.com/coreos/pkg/capnslog
 # github.com/davecgh/go-spew v1.1.1
 github.com/davecgh/go-spew/spew
-# github.com/gogo/protobuf v1.3.0
+# github.com/gogo/protobuf v1.3.1
 github.com/gogo/protobuf/gogoproto
 github.com/gogo/protobuf/proto
 github.com/gogo/protobuf/protoc-gen-gogo/descriptor
@@ -44,19 +44,20 @@
 # github.com/opencord/goloxi v1.0.1
 github.com/opencord/goloxi
 github.com/opencord/goloxi/of13
-# github.com/opencord/voltha-lib-go/v3 v3.2.8
-github.com/opencord/voltha-lib-go/v3/pkg/config
-github.com/opencord/voltha-lib-go/v3/pkg/db
-github.com/opencord/voltha-lib-go/v3/pkg/db/kvstore
-github.com/opencord/voltha-lib-go/v3/pkg/log
-github.com/opencord/voltha-lib-go/v3/pkg/probe
-github.com/opencord/voltha-lib-go/v3/pkg/version
-# github.com/opencord/voltha-protos/v3 v3.4.1
-github.com/opencord/voltha-protos/v3/go/common
-github.com/opencord/voltha-protos/v3/go/omci
-github.com/opencord/voltha-protos/v3/go/openflow_13
-github.com/opencord/voltha-protos/v3/go/voltha
-# github.com/opentracing/opentracing-go v1.1.0
+# github.com/opencord/voltha-lib-go/v4 v4.0.2
+github.com/opencord/voltha-lib-go/v4/pkg/config
+github.com/opencord/voltha-lib-go/v4/pkg/db
+github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore
+github.com/opencord/voltha-lib-go/v4/pkg/log
+github.com/opencord/voltha-lib-go/v4/pkg/probe
+github.com/opencord/voltha-lib-go/v4/pkg/version
+# github.com/opencord/voltha-protos/v4 v4.0.2
+github.com/opencord/voltha-protos/v4/go/common
+github.com/opencord/voltha-protos/v4/go/ext/config
+github.com/opencord/voltha-protos/v4/go/omci
+github.com/opencord/voltha-protos/v4/go/openflow_13
+github.com/opencord/voltha-protos/v4/go/voltha
+# github.com/opentracing/opentracing-go v1.2.0
 github.com/opentracing/opentracing-go
 github.com/opentracing/opentracing-go/ext
 github.com/opentracing/opentracing-go/log