Update annotations of layers.py
Update annotations of layers.py

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