Add TODO comment about the support of glog for Android api 16 ~ 19.
Add TODO comment about the support of glog for Android api 16 ~ 19.

putcn/Paddle,Canpio/Paddle,pengli09/Paddle,reyoung/Paddle,baidu/Paddle,jacquesqiao/Paddle,tensor-tang/Paddle,PaddlePaddle/Paddle,baidu/Paddle,pengli09/Paddle,jacquesqiao/Paddle,putcn/Paddle,chengduoZH/Paddle,lcy-seso/Paddle,chengduoZH/Paddle,reyoung/Paddle,lcy-seso/Paddle,tensor-tang/Paddle,QiJune/Paddle,pengli09/Paddle,reyoung/Paddle,PaddlePaddle/Paddle,jacquesqiao/Paddle,putcn/Paddle,chengduoZH/Paddle,hedaoyuan/Paddle,hedaoyuan/Paddle,hedaoyuan/Paddle,tensor-tang/Paddle,pengli09/Paddle,PaddlePaddle/Paddle,QiJune/Paddle,putcn/Paddle,hedaoyuan/Paddle,hedaoyuan/Paddle,chengduoZH/Paddle,QiJune/Paddle,pengli09/Paddle,luotao1/Paddle,hedaoyuan/Paddle,pengli09/Paddle,putcn/Paddle,luotao1/Paddle,QiJune/Paddle,jacquesqiao/Paddle,lcy-seso/Paddle,Canpio/Paddle,pkuyym/Paddle,chengduoZH/Paddle,luotao1/Paddle,luotao1/Paddle,pkuyym/Paddle,luotao1/Paddle,pkuyym/Paddle,lcy-seso/Paddle,QiJune/Paddle,lcy-seso/Paddle,luotao1/Paddle,reyoung/Paddle,putcn/Paddle,PaddlePaddle/Paddle,pkuyym/Paddle,PaddlePaddle/Paddle,tensor-tang/Paddle,pengli09/Paddle,lcy-seso/Paddle,Canpio/Paddle,jacquesqiao/Paddle,luotao1/Paddle,Canpio/Paddle,baidu/Paddle,PaddlePaddle/Paddle,tensor-tang/Paddle,jacquesqiao/Paddle,reyoung/Paddle,Canpio/Paddle,hedaoyuan/Paddle,pkuyym/Paddle,QiJune/Paddle,PaddlePaddle/Paddle,pkuyym/Paddle,baidu/Paddle,hedaoyuan/Paddle,baidu/Paddle,reyoung/Paddle,Canpio/Paddle,pengli09/Paddle,Canpio/Paddle,Canpio/Paddle