Consolidate gogo/protobuf dependencies under our own protobuf package

This would make gogo/protobuf migration easier.

Signed-off-by: Kazuyoshi Kato <katokazu@amazon.com>

services/containers/helpers.go

@@ -20,8 +20,8 @@ import (
 	api "github.com/containerd/containerd/api/services/containers/v1"
 	"github.com/containerd/containerd/containers"
 	"github.com/containerd/containerd/protobuf"
+	"github.com/containerd/containerd/protobuf/types"
 	"github.com/containerd/typeurl"
-	"github.com/gogo/protobuf/types"
 )
 
 func containersToProto(containers []containers.Container) []api.Container {

services/containers/local.go

@@ -27,8 +27,8 @@ import (
 	"github.com/containerd/containerd/events"
 	"github.com/containerd/containerd/metadata"
 	"github.com/containerd/containerd/plugin"
+	ptypes "github.com/containerd/containerd/protobuf/types"
 	"github.com/containerd/containerd/services"
-	ptypes "github.com/gogo/protobuf/types"
 	bolt "go.etcd.io/bbolt"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"

services/containers/service.go

@@ -23,8 +23,8 @@ import (
 
 	api "github.com/containerd/containerd/api/services/containers/v1"
 	"github.com/containerd/containerd/plugin"
+	ptypes "github.com/containerd/containerd/protobuf/types"
 	"github.com/containerd/containerd/services"
-	ptypes "github.com/gogo/protobuf/types"
 	"google.golang.org/grpc"
 )