Created by: liym27

To support list transformation in dygraph_to_static #22902 , the input(x) of statck op need to support LoDTensorArray.

Eg:

i = fluid.layers.fill_constant(shape=[1], value=0, dtype="int64")
tensor_array = fluid.layers.array_write(tensor_x, i)
out1 = fluid.layers.stack(tensor_array)