子进程system_service创建后while一直判断子进程状态是否died,如果会则zygote也kill自己
基于:http://blog.csdn.net/jianguo_liao19840726/article/details/16116859我们进入到pid=Zygote.forkSystemServer(nativepublicstaticintforkSystemServer(intuid,intgid,
int[]gids,intdebugFlags,int[][]rlimits,
longp