- fixed AndroidManifest.xml file (#13)

- added logic for get/set ice servers in webrtc_screen.dart

Author: kirillTolmachev

android/app/src/main/AndroidManifest.xml

@@ -20,7 +20,7 @@
     <uses-feature android:name="android.hardware.camera.autofocus" />
 
     <application
-        android:name="io.flutter.app.FlutterApplication"
+        android:name="${applicationName}"
         android:icon="@mipmap/ic_launcher"
         android:label="quickblox_sdk_example">