Multiuser settings revamp for L, first pass

Include Guest settings
Ability to switch users from Settings
Manage user settings like telephony access

Bug: 15761405
Change-Id: I2cfdc7bc2703ed202aa8bf1261c304c51ce48b29

res/xml/user_details_settings.xml

@@ -0,0 +1,28 @@
+<?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.
+-->
+
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:settings="http://schemas.android.com/apk/res/com.android.settings">
+
+    <SwitchPreference
+            android:key="enable_calling"
+            android:title="@string/user_enable_calling_sms"
+            android:persistent="false" />
+    <Preference
+            android:key="remove_user"
+            android:title="@string/user_remove_user" />
+
+</PreferenceScreen>