VOL-1643 Update voltha-lib-go to use voltha-protos v3.0.0

and bump up the version to 3.0.0. voltha-protos is modified to be
compatible with the java language proto compilation. It's a major
change and a major version change has been made.

Change-Id: Ifb93430567ddf96aaa0fbf6e5853aad9e1070f6f
diff --git a/pkg/mocks/common.go b/pkg/mocks/common.go
index d6d4062..839ac3e 100644
--- a/pkg/mocks/common.go
+++ b/pkg/mocks/common.go
@@ -16,7 +16,7 @@
 package mocks
 
 import (
-	"github.com/opencord/voltha-lib-go/v2/pkg/log"
+	"github.com/opencord/voltha-lib-go/v3/pkg/log"
 )
 
 const (
diff --git a/pkg/mocks/etcd_server_test.go b/pkg/mocks/etcd_server_test.go
index 90a3654..c2efd58 100644
--- a/pkg/mocks/etcd_server_test.go
+++ b/pkg/mocks/etcd_server_test.go
@@ -18,7 +18,7 @@
 
 import (
 	"fmt"
-	"github.com/opencord/voltha-lib-go/v2/pkg/db/kvstore"
+	"github.com/opencord/voltha-lib-go/v3/pkg/db/kvstore"
 	"github.com/phayes/freeport"
 	"github.com/stretchr/testify/assert"
 	"os"
diff --git a/pkg/mocks/kafka_client.go b/pkg/mocks/kafka_client.go
index 381c093..51bd532 100644
--- a/pkg/mocks/kafka_client.go
+++ b/pkg/mocks/kafka_client.go
@@ -17,12 +17,13 @@
 
 import (
 	"fmt"
-	"github.com/opencord/voltha-lib-go/v2/pkg/kafka"
-	"github.com/opencord/voltha-lib-go/v2/pkg/log"
-	ic "github.com/opencord/voltha-protos/v2/go/inter_container"
+	"sync"
+
+	"github.com/opencord/voltha-lib-go/v3/pkg/kafka"
+	"github.com/opencord/voltha-lib-go/v3/pkg/log"
+	ic "github.com/opencord/voltha-protos/v3/go/inter_container"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
-	"sync"
 )
 
 type KafkaClient struct {
diff --git a/pkg/mocks/kafka_client_test.go b/pkg/mocks/kafka_client_test.go
index f4707f6..e4517cc 100644
--- a/pkg/mocks/kafka_client_test.go
+++ b/pkg/mocks/kafka_client_test.go
@@ -17,18 +17,19 @@
 package mocks
 
 import (
-	"github.com/opencord/voltha-lib-go/v2/pkg/kafka"
-	ic "github.com/opencord/voltha-protos/v2/go/inter_container"
-	"github.com/stretchr/testify/assert"
 	"testing"
 	"time"
+
+	"github.com/opencord/voltha-lib-go/v3/pkg/kafka"
+	ic "github.com/opencord/voltha-protos/v3/go/inter_container"
+	"github.com/stretchr/testify/assert"
 )
 
 func TestKafkaClientImplementsKafkaClientIf(t *testing.T) {
 	client := NewKafkaClient()
 
 	if _, ok := interface{}(client).(kafka.Client); !ok {
-		t.Error("mock kafka client does not implement voltha-lib-go/v2/pkg/kafka/Client interface")
+		t.Error("mock kafka client does not implement voltha-lib-go/v3/pkg/kafka/Client interface")
 	}
 }