Toggle between primary and managed profile in Print Settings

This adds a spinner to the print settings screen which can be used to toggle
between the Settings app in the primary and managed profile so that the user
can edit settings belonging to both profiles.

Bug: 16369104
Change-Id: I2556a331d09379c2a501bc6b192ab1631b5215f5

res/layout/spinner_view.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2014 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<Spinner xmlns:android="http://schemas.android.com/apk/res/android"
+        android:id="@+id/profile_spinner"
+        android:layout_width="fill_parent"
+        android:layout_height="wrap_content" />

res/layout/user_preference.xml

@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2014 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        android:id="@android:id/widget_frame"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:paddingStart="?android:attr/listPreferredItemPaddingStart"
+        android:paddingEnd="?android:attr/listPreferredItemPaddingEnd">
+
+    <ImageView
+            android:id="@+android:id/icon"
+            android:layout_width="@dimen/user_icon_diameter"
+            android:layout_height="@dimen/user_icon_diameter"
+            android:layout_gravity="center"
+            android:scaleType="fitCenter" />
+
+    <TextView
+            android:id="@+android:id/title"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:singleLine="true"
+            android:layout_gravity="center"
+            android:labelFor="@+android:id/icon"
+            android:ellipsize="marquee"
+            android:fadingEdge="horizontal"
+            style="@style/TextAppearance.Medium"/>
+
+</LinearLayout>