VOL-3501 Code changes to support rpc event

Change-Id: I2536c0c03faa5fb026349c906ebef46323398e9a
diff --git a/vendor/modules.txt b/vendor/modules.txt
index e072be6..8ced92b 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -102,13 +102,15 @@
 github.com/modern-go/concurrent
 # github.com/modern-go/reflect2 v1.0.1
 github.com/modern-go/reflect2
-# github.com/opencord/voltha-lib-go/v4 v4.0.7
+# github.com/opencord/voltha-lib-go/v4 v4.0.8
 github.com/opencord/voltha-lib-go/v4/pkg/adapters
 github.com/opencord/voltha-lib-go/v4/pkg/adapters/adapterif
 github.com/opencord/voltha-lib-go/v4/pkg/adapters/common
 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/events
+github.com/opencord/voltha-lib-go/v4/pkg/events/eventif
 github.com/opencord/voltha-lib-go/v4/pkg/flows
 github.com/opencord/voltha-lib-go/v4/pkg/grpc
 github.com/opencord/voltha-lib-go/v4/pkg/kafka
@@ -117,7 +119,7 @@
 github.com/opencord/voltha-lib-go/v4/pkg/mocks/kafka
 github.com/opencord/voltha-lib-go/v4/pkg/probe
 github.com/opencord/voltha-lib-go/v4/pkg/version
-# github.com/opencord/voltha-protos/v4 v4.0.8
+# github.com/opencord/voltha-protos/v4 v4.0.12
 github.com/opencord/voltha-protos/v4/go/common
 github.com/opencord/voltha-protos/v4/go/ext/config
 github.com/opencord/voltha-protos/v4/go/extension