DOUAudioEventLoop: Fix audio route change.
DOUAudioEventLoop: Fix audio route change.

QiuZhiFei/DOUAudioStreamer,Learn-IOS/DOUAudioStreamer,zhouwude/DOUAudioStreamer,NghiaTranUIT/DOUAudioStreamer,xuanyi0627/DOUAudioStreamer,eyu1988/DOUAudioStreamer,vinceee/DOUAudioStreamer,douban/DOUAudioStreamer,sunfei/DOUAudioStreamer,NghiaTranUIT/DOUAudioStreamer,hjw6160602/DOUAudioStreamer,royalwang/DOUAudioStreamer,QiuZhiFei/DOUAudioStreamer,jonesgithub/DOUAudioStreamer,xuanyi0627/DOUAudioStreamer,ycaihua/DOUAudioStreamer,ycaihua/DOUAudioStreamer,zhouwude/DOUAudioStreamer,zhantss/DOUAudioStreamer,zhantss/DOUAudioStreamer,hjw6160602/DOUAudioStreamer,sunfei/DOUAudioStreamer,sunfei/DOUAudioStreamer,xuanyi0627/DOUAudioStreamer,hjw6160602/DOUAudioStreamer,douban/DOUAudioStreamer,NghiaTranUIT/DOUAudioStreamer,jonesgithub/DOUAudioStreamer,talkmate/DOUAudioStreamer,royalwang/DOUAudioStreamer,royalwang/DOUAudioStreamer,talkmate/DOUAudioStreamer,cute/DOUAudioStreamer,cute/DOUAudioStreamer,eyu1988/DOUAudioStreamer,vinceee/DOUAudioStreamer,Learn-IOS/DOUAudioStreamer