message: Added a couple missing symbols.
diff: @@ -299,6 +299,9 @@ class TensorShape : public TensorShapeBase<TensorShape> {
  public:
  using TensorShapeBase<TensorShape>::TensorShapeBase;
  + TF_EXPORT TensorShape(): TensorShapeBase<TensorShape>() {};
  + TF_EXPORT TensorShape(const TensorShapeProto& proto): TensorShapeBase<TensorShape>(proto) {};
  +
  /// Allow a TensorShape to be used as a PartialTensorShape without copying
  operator const PartialTensorShape&() const; // NOLINT(runtime/explicit)
  