Make get_inference_program support for Evaluator.
Make get_inference_program support for Evaluator.

putcn/Paddle,jacquesqiao/Paddle,baidu/Paddle,putcn/Paddle,Canpio/Paddle,pkuyym/Paddle,pkuyym/Paddle,chengduoZH/Paddle,baidu/Paddle,tensor-tang/Paddle,reyoung/Paddle,chengduoZH/Paddle,Canpio/Paddle,Canpio/Paddle,PaddlePaddle/Paddle,Canpio/Paddle,tensor-tang/Paddle,chengduoZH/Paddle,reyoung/Paddle,reyoung/Paddle,lcy-seso/Paddle,luotao1/Paddle,luotao1/Paddle,chengduoZH/Paddle,lcy-seso/Paddle,putcn/Paddle,baidu/Paddle,PaddlePaddle/Paddle,luotao1/Paddle,reyoung/Paddle,putcn/Paddle,pkuyym/Paddle,QiJune/Paddle,jacquesqiao/Paddle,jacquesqiao/Paddle,tensor-tang/Paddle,reyoung/Paddle,QiJune/Paddle,chengduoZH/Paddle,PaddlePaddle/Paddle,pkuyym/Paddle,PaddlePaddle/Paddle,lcy-seso/Paddle,baidu/Paddle,luotao1/Paddle,baidu/Paddle,luotao1/Paddle,lcy-seso/Paddle,tensor-tang/Paddle,Canpio/Paddle,tensor-tang/Paddle,jacquesqiao/Paddle,lcy-seso/Paddle,QiJune/Paddle,QiJune/Paddle,QiJune/Paddle,Canpio/Paddle,pkuyym/Paddle,pkuyym/Paddle,lcy-seso/Paddle,QiJune/Paddle,putcn/Paddle,jacquesqiao/Paddle,PaddlePaddle/Paddle,PaddlePaddle/Paddle,luotao1/Paddle,Canpio/Paddle,PaddlePaddle/Paddle,putcn/Paddle,luotao1/Paddle,reyoung/Paddle,jacquesqiao/Paddle,Canpio/Paddle