move update context instanceId out
move update context instanceId out

move update context instanceId out so that debug tool can update it
alibaba/weex,acton393/incubator-weex,Hanks10100/incubator-weex,acton393/incubator-weex,Hanks10100/incubator-weex,erha19/incubator-weex,Hanks10100/incubator-weex,alibaba/weex,erha19/incubator-weex,Hanks10100/incubator-weex,miomin/incubator-weex,KalicyZhou/incubator-weex,alibaba/weex,Hanks10100/incubator-weex,cxfeng1/incubator-weex,acton393/incubator-weex,erha19/incubator-weex,miomin/incubator-weex,alibaba/weex,erha19/incubator-weex,cxfeng1/incubator-weex,Hanks10100/incubator-weex,KalicyZhou/incubator-weex,miomin/incubator-weex,cxfeng1/incubator-weex,Hanks10100/incubator-weex,acton393/incubator-weex,erha19/incubator-weex,KalicyZhou/incubator-weex,miomin/incubator-weex,miomin/incubator-weex,erha19/incubator-weex,Hanks10100/incubator-weex,cxfeng1/incubator-weex,acton393/incubator-weex,miomin/incubator-weex,miomin/incubator-weex,cxfeng1/incubator-weex,KalicyZhou/incubator-weex,erha19/incubator-weex,acton393/incubator-weex,alibaba/weex,KalicyZhou/incubator-weex,acton393/incubator-weex,acton393/incubator-weex,cxfeng1/incubator-weex,erha19/incubator-weex,alibaba/weex,KalicyZhou/incubator-weex,alibaba/weex,miomin/incubator-weex