Add Enterprise Privacy page to Settings

This adds a new page to Settings which tells the user about his/her
privacy in light of enterprise management. The new page is only shown
on devices that have a Device Owner app set.

This CL adds a mostly blank page. Follow-up CLs will populate the page
with information about specific admin actions/policies.

The page's title ("Privacy"), icon and location in the Settings app are
tentative. The page will move to its final location once the new IA
redesign is finished.

Test: make RunSettingsRoboTests
BUG: 32692748

Change-Id: I5b5c08c0025207516b0779f54cf68234a4ba3fe4

res/xml/enterprise_privacy_settings.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 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"
+        android:key="enterprise_privacy_settings"
+        android:title="@string/enterprise_privacy_settings_title">
+
+    <!-- Header -->
+    <Preference android:key="enterprise_privacy_header"
+            android:summary="@string/enterprise_privacy_header"
+            android:selectable="false"/>
+</PreferenceScreen>