message: Add support for EnsureShape to the Toco compiler.
diff: @@ -1071,7 +1071,7 @@ tensorflow::Status ConvertIdentityOperator(
  const ModelFlags& model_flags, Model* model) {
  CHECK(node.op() == "Identity" || node.op() == "CheckNumerics" ||
  node.op() == "PlaceholderWithDefault" || node.op() == "StopGradient" ||
  - node.op() == "Snapshot");
  + node.op() == "Snapshot" || node.op() == "EnsureShape");
  auto* op = new TensorFlowIdentityOperator;
  // Amazingly, some TensorFlow graphs (at least rajeev_lstm.pb) have
  // identity nodes with multiple inputs, but the other inputs seem
  @@ -2595,6 +2595,7 @@ ConverterMapType GetTensorFlowNodeConverterMap() {
  {"DynamicPartition", ConvertDynamicPartitionOperator},
  {"DynamicStitch", ConvertDynamicStitchOperator},
  {"Elu", ConvertSimpleOperator<EluOperator, 1, 1>},
  + {"EnsureShape", ConvertIdentityOperator},
  {"Equal", ConvertSimpleOperator<TensorFlowEqualOperator, 2, 1>},
  {"Exp", ConvertSimpleOperator<ExpOperator, 1, 1>},
  {"ExpandDims", ConvertSimpleOperator<ExpandDimsOperator, 2, 1>},
  