fix params with only 1 dim (PaddlePaddle#15828) (PaddlePaddle#15832)

* fix params with only 1 dim
* test=develop

Merge pull request PaddlePaddle#15251 from velconia/local_release_1_2_1

Refine MultiDevSSAGraph

Merge pull request PaddlePaddle#14773 from chengduoZH/fix_io_and_data…

…_feeder_doc

Fix io and data feeder doc

Merge pull request PaddlePaddle#14149 from chengduoZH/fix_sum_op_bug_…

…relase

Fix sum op's GetExpectedKernelType

Merge pull request PaddlePaddle#14031 from shippingwang/fix_plot_1.0

Fix plot 1.0

Merge pull request PaddlePaddle#13802 from NHZlX/add_trt_lib_release1.0

cherry-pick from develop  add trt lib to paddle_fluid

Merge pull request PaddlePaddle#13760 from JiabinYang/fix/mac_10.14_f…

…or_1.0

Fix/mac 10.14 for 1.0

Merge pull request PaddlePaddle#13601 from JiabinYang/fix/mac_ci_0926

Cherry-pick from develop

Merge pull request PaddlePaddle#13228 from qingqing01/top_k_api

Remoe check in top_k API

fix mac compile (PaddlePaddle#12751)