enable gtest for MKLPackedRecurrentLayer
enable gtest for MKLPackedRecurrentLayer

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