大华可视对讲功能优化，自研可视对讲Android接入

wxr

2022-04-01 764185112d44c387e16f0483d8da898f8d998944

 HDL-ON_Android/Application.cs

@@ -93,6 +93,10 @@
            mCount--;
            if (mCount == 0)
            {
                //if(activity.GetType().Name.Contains("LeChengVideoActivity"))
                //{
                //    //UserInfo.Current.PushMesLogTime = DateTime.MinValue;
                //}
                Console.WriteLine("HHH OnActivityStopped： background");
                BusSocketStop();
                //进入后台