[Android] Add a faint divider line between each folder browser item.

See here for how it looks: http://i.imgur.com/CGX9NTt.png

Source/Android/res/layout/folderbrowser.xml

@@ -40,4 +40,14 @@
         android:gravity="center_vertical"
         android:text="Title"
         android:textStyle="bold" />
+
+    <ImageView
+        android:src="@android:drawable/divider_horizontal_dark"
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content"
+        android:scaleType="fitXY"
+        android:paddingLeft="5dp"
+        android:paddingRight="5dp"
+        android:paddingBottom="2dp"
+        android:paddingTop="2dp" />
 </RelativeLayout>