Fix average_accumulate_op for parallel executor. (#9852)
Fix average_accumulate_op for parallel executor. (#9852)


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