GUP: Add stub UI

Bug: 119221883
Test: make RunSettingsRoboTests ROBOTEST_FILTER=GupDashboardTest

Change-Id: I1f7cc66790e1d1e1de5113e28a055ec5d1679013

res/values/strings.xml

@@ -10049,6 +10049,11 @@
     <!-- UI debug setting: app selected to use Game Update Package [CHAR LIMIT=NONE] -->
     <string name="gup_dev_opt_in_app_set"><xliff:g id="app_name" example="com.company.app">%1$s</xliff:g></string>
 
+    <!-- Title for Game Update Packages dashboard where developers can configure apps to use GUP or not [CHAR LIMIT=50] -->
+    <string name="gup_dashboard_title">Game Update Packages Preferences</string>
+    <!-- Summary for Game Update Packages dashboard [CHAR LIMIT=50] -->
+    <string name="gup_dashboard_summary">Modify Game Update Packages settings</string>
+
     <!-- Slices Strings -->
 
     <!-- Summary text on a card explaining that a setting does not exist / is not supported on the device [CHAR_LIMIT=NONE]-->

res/xml/development_settings.xml

@@ -191,6 +191,12 @@
             android:title="@string/enable_gpu_debug_layers"
             android:summary="@string/enable_gpu_debug_layers_summary" />
 
+        <Preference
+            android:key="gup_dashboard"
+            android:title="@string/gup_dashboard_title"
+            android:summary="@string/gup_dashboard_summary"
+            android:fragment="com.android.settings.development.gup.GupDashboard" />
+
     </PreferenceCategory>
 
     <PreferenceCategory

res/xml/gup_settings.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright 2019 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"
+    android:title="@string/gup_dashboard_title" />