VOL-4034: Per event.proto definition, the units of timestamp is in seconds.
- Move to voltha-lib-go version 4.3.1
- Bump adapter version to 3.3.2

Change-Id: Ia37527d2c09fad2c2772b5d6ba5e64035f177a91
diff --git a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/events/events_proxy.go b/vendor/github.com/opencord/voltha-lib-go/v4/pkg/events/events_proxy.go
index 2301f43..ebd48ab 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/events/events_proxy.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v4/pkg/events/events_proxy.go
@@ -84,8 +84,8 @@
 	header.Type = eventType
 	header.TypeVersion = eventif.EventTypeVersion
 
-	// raisedTs is in nanoseconds
-	timestamp, err := ptypes.TimestampProto(time.Unix(0, raisedTs))
+	// raisedTs is in seconds
+	timestamp, err := ptypes.TimestampProto(time.Unix(raisedTs, 0))
 	if err != nil {
 		return nil, err
 	}