Revert "remove imports of errdefs package"

This reverts commit f5ce2f2.

Signed-off-by: Derek McGowan <[email protected]>

Author: dmcgowan

sandbox/bridge.go

@@ -24,7 +24,7 @@ import (
 	"google.golang.org/grpc"
 
 	api "github.com/containerd/containerd/api/runtime/sandbox/v1"
-	"github.com/containerd/errdefs"
+	"github.com/containerd/containerd/errdefs"
 )
 
 // NewClient returns a new sandbox client that handles both GRPC and TTRPC clients.

services/introspection/service.go

@@ -17,16 +17,16 @@
 package introspection
 
 import (
-	"context"
+	context "context"
 	"errors"
 
 	"google.golang.org/grpc"
 
 	api "github.com/containerd/containerd/api/services/introspection/v1"
+	"github.com/containerd/containerd/errdefs"
 	"github.com/containerd/containerd/plugin"
 	ptypes "github.com/containerd/containerd/protobuf/types"
 	"github.com/containerd/containerd/services"
-	"github.com/containerd/errdefs"
 )
 
 func init() {