message: Add int8 in TFLiteTypeToSchemaType.
diff: @@ -66,6 +66,8 @@ inline TensorType TfLiteTypeToSchemaType(TfLiteType type) {
  return TensorType_INT32;
  case kTfLiteUInt8:
  return TensorType_UINT8;
  + case kTfLiteInt8:
  + return TensorType_INT8;
  case kTfLiteInt64:
  return TensorType_INT64;
  case kTfLiteString:
  