Separate the XML view handling of the folder browser and the game list from one another.

Source/Android/res/layout/folderbrowser_listview.xml

@@ -0,0 +1,8 @@
+<ListView xmlns:android="http://schemas.android.com/apk/res/android"
+          xmlns:tools="http://schemas.android.com/tools"
+          android:id="@+id/gamelist"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:choiceMode="singleChoice"
+    android:dividerHeight="1dp"
+    tools:listitem="@layout/folderbrowser_list_item"/>