message: Implement StrongShape<T> printing to std::ostream.
diff: @@ -665,6 +665,12 @@ inline bool Shape::set(Axis axis, int32_t t) {
  internal_shape::DimensionSetterFunc{axis, this, t});
  }
  +template <Layout T>
  +std::ostream& operator<<(std::ostream& ostream, const StrongShape<T>& shape) {
  + ostream << ToString(shape);
  + return ostream;
  +}
  +
  } // namespace gpu
  } // namespace tflite
  