android: Reuse certificate selector as generic two line button

src/frontends/android/res/layout/two_line_button.xml

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (C) 2012 Tobias Brunner
+    Hochschule fuer Technik Rapperswil
+
+    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.  See <http://www.fsf.org/copyleft/gpl.txt>.
+
+    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.
+-->
+<TwoLineListItem xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:minHeight="?android:attr/listPreferredItemHeight"
+    android:background="?android:attr/selectableItemBackground"
+    android:mode="twoLine"
+    android:padding="10dp" >
+
+    <TextView
+        android:id="@android:id/text1"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:textAppearance="?android:attr/textAppearanceMedium" />
+
+    <TextView
+        android:id="@android:id/text2"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_below="@android:id/text1"
+        android:layout_alignLeft="@android:id/text1"
+        android:textAppearance="?android:attr/textAppearanceSmall"
+        android:textColor="?android:attr/textColorSecondary" />
+
+</TwoLineListItem>