Switch to containerd/log package

Moves to the containerd/log package over logrus directly. This benefits the
traces because if using any log context such as OpenCensus on the entry gRPC
API all traces for that gRPC method will now contain the appropriate TraceID,
SpanID for easy correlation.

Signed-off-by: Justin Terry (VM) <juterry@microsoft.com>

pkg/server/container_create_test.go

@@ -17,6 +17,7 @@ limitations under the License.
 package server
 
 import (
+	"context"
 	"os"
 	"path/filepath"
 	"reflect"
@@ -532,7 +533,7 @@ func TestContainerSpecCommand(t *testing.T) {
 		imageConfig.Cmd = test.imageArgs
 
 		var spec runtimespec.Spec
-		err := opts.WithProcessArgs(config, imageConfig)(nil, nil, nil, &spec)
+		err := opts.WithProcessArgs(config, imageConfig)(context.Background(), nil, nil, &spec)
 		if test.expectErr {
 			assert.Error(t, err)
 			continue
@@ -902,7 +903,7 @@ func TestMountPropagation(t *testing.T) {
 		var spec runtimespec.Spec
 		spec.Linux = &runtimespec.Linux{}
 
-		err := opts.WithMounts(c.os, config, []*runtime.Mount{test.criMount}, "")(nil, nil, nil, &spec)
+		err := opts.WithMounts(c.os, config, []*runtime.Mount{test.criMount}, "")(context.Background(), nil, nil, &spec)
 		if test.expectErr {
 			require.Error(t, err)
 		} else {