add missing file

src/org/linphone/KeepAliveHandler.java

@@ -0,0 +1,46 @@
+package org.linphone;
+/*
+KeepAliveHandler.java
+Copyright (C) 2013  Belledonne Communications, Grenoble, France
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+*/
+
+import org.linphone.mediastream.Log;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+
+public class KeepAliveHandler extends BroadcastReceiver {
+
+	@Override
+	public void onReceive(Context context, Intent intent) {
+		Log.i("Keep alive handler invoked");
+		if (LinphoneManager.getLcIfManagerNotDestroyedOrNull()!=null) {
+			//first refresh registers
+			LinphoneManager.getLc().refreshRegisters();
+			//make sure iterate will have enough time, device will not sleep until exit from this method
+			try {
+				Thread.sleep(10000);
+			} catch (InterruptedException e) {
+				Log.e("Cannot sleep for 10s", e);
+			}
+			
+		}
+
+	}
+
+}