message: Add missing #include to mkl_layout_pass.cc.
diff: @@ -28,6 +28,7 @@ limitations under the License.
  #include "tensorflow/core/common_runtime/function.h"
  #include "tensorflow/core/common_runtime/optimization_registry.h"
  #include "tensorflow/core/framework/node_def_util.h"
  +#include "tensorflow/core/framework/tensor.pb.h"
  #include "tensorflow/core/graph/algorithm.h"
  #include "tensorflow/core/graph/graph.h"
  #include "tensorflow/core/graph/node_builder.h"
  