WebRTC实现视频会议时，发现接听方的音视频异常中断，查看日志发现音视频的解码器被异常销毁了。
具体日志如下：
11-08 14:06:16.811 18846-18846/com.goldnetsh.mesh I/SurfaceView: Changes: creating=false format=false size=false visible=false left=false top=false mUpdateWindowNeeded=true mReportDrawNeeded=true redrawNeeded=false forceSizeChanged=false mVisible=true mRequestedVisible=true, this = fm.video.AndroidOpenGLView{c08a40c V.E...... ........ 0,88-720,1048}
11-08 14:06:16.811 18846-18846/com.goldnetsh.mesh I/SurfaceView: Cur surface: Surface(name=null)/@0x17aa4b, this = fm.video.AndroidOpenGLView{c08a40c V.E...... ........ 0,88-720,1048}
11-08 14:06:16.818 18846-18846/com.goldnetsh.mesh I/SurfaceView: New surface: Surface(name=null)/@0xf88c28, vis=true, frame=Rect(0, 136 - 720, 1096), this = fm.video.AndroidOpenGLView{c08a40c V.E...... ........ 0,88-720,1048}
11-08 14:06:16.818 18846-18846/com.goldnetsh.mesh I/SurfaceView: surfaceRedrawNeeded, this = fm.video.AndroidOpenGLView{c08a40c V.E...... ........ 0,88-720,1048}
11-08 14:06:16.818 18846-18846/com.goldnetsh.mesh I/SurfaceView: finishedDrawing, this = fm.video.AndroidOpenGLView{c08a40c V.E...... ........ 0,88-720,1048}
11-08 14:06:22.732 18846-20178/com.goldnetsh.mesh I/fm: Increasing Opus encoder quality to 60.00 %.
11-08 14:06:28.837 18846-20178/com.goldnetsh.mesh I/fm: Increasing Opus encoder quality to 70.00 %.
11-08 14:06:34.934 18846-20178/com.goldnetsh.mesh I/fm: Increasing Opus encoder quality to 80.00 %.
11-08 14:06:40.931 18846-20178/com.goldnetsh.mesh I/fm: Increasing Opus encoder quality to 90.00 %.
11-08 14:06:42.990 18846-18846/com.goldnetsh.mesh I/SurfaceView: updateWindow -- onWindowVisibilityChanged, visibility = 8, this = fm.video.AndroidOpenGLView{c08a40c V.E...... ........ 0,88-720,1048}
11-08 14:06:42.990 18846-18846/com.goldnetsh.mesh I/SurfaceView: Changes: creating=false format=false size=false visible=true left=false top=false mUpdateWindowNeeded=false mReportDrawNeeded=false redrawNeeded=false forceSizeChanged=false mVisible=true mRequestedVisible=false, this = fm.video.AndroidOpenGLView{c08a40c V.E...... ........ 0,88-720,1048}
11-08 14:06:42.990 18846-18846/com.goldnetsh.mesh I/SurfaceView: Cur surface: Surface(name=null)/@0x17aa4b, this = fm.video.AndroidOpenGLView{c08a40c V.E...... ........ 0,88-720,1048}
11-08 14:06:42.993 18846-18846/com.goldnetsh.mesh I/SurfaceView: New surface: Surface(name=null)/@0xf88c28, vis=false, frame=Rect(0, 136 - 720, 1096), this = fm.video.AndroidOpenGLView{c08a40c V.E...... ........ 0,88-720,1048}
11-08 14:06:42.993 18846-18846/com.goldnetsh.mesh I/SurfaceView: Callback --> surfaceDestroyed, this = fm.video.AndroidOpenGLView{c08a40c V.E...... ........ 0,88-720,1048}
11-08 14:06:42.993 18846-18846/com.goldnetsh.mesh I/SurfaceView: surfaceDestroyed callback +, this = fm.video.AndroidOpenGLView{c08a40c V.E...... ........ 0,88-720,1048}
11-08 14:06:43.003 18846-18846/com.goldnetsh.mesh I/SurfaceView: surfaceDestroyed callback -, this = fm.video.AndroidOpenGLView{c08a40c V.E...... ........ 0,88-720,1048}
11-08 14:06:43.004 18846-20209/com.goldnetsh.mesh I/DefaultContextFactory: eglDestroyContext = 152, this = fm.video.AndroidOpenGLView{c08a40c V.E...... ........ 0,88-720,1048}
11-08 14:06:43.005 18846-18846/com.goldnetsh.mesh I/SurfaceView: updateWindow -- onDetachedFromWindow, this = fm.video.AndroidOpenGLView{c08a40c V.E...... ........ 0,88-720,1048}
11-08 14:06:43.067 18846-20639/com.goldnetsh.mesh I/fm: Destroying audio packetizer: OPUS:8000:1
11-08 14:06:43.067 18846-20639/com.goldnetsh.mesh I/fm: Destroying audio encoder: OPUS:8000:1
11-08 14:06:58.231 18846-20218/com.goldnetsh.mesh I/fm: Destroying audio decoder: OPUS:8000:1
11-08 14:06:58.233 18846-20218/com.goldnetsh.mesh I/fm: Destroying audio decoder: PCMU:8000:1
11-08 14:06:58.233 18846-20218/com.goldnetsh.mesh I/fm: Destroying audio decoder: PCMA:8000:1
11-08 14:06:58.526 18846-20218/com.goldnetsh.mesh I/fm: Destroying video decoder: VP8:90000
11-08 14:06:58.529 18846-20218/com.goldnetsh.mesh I/fm: Destroying video decoder: RED:90000
11-08 14:06:58.529 18846-20218/com.goldnetsh.mesh I/fm: Destroying video decoder: ULPFEC:90000
