fix: 引入Settings的Module

Settings/res/xml/credential_management_app_fragment.xml

@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2020 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-auto"
+    android:title="@string/certificate_management_app">
+
+    <!-- Header -->
+    <com.android.settingslib.widget.LayoutPreference
+        android:key="header"
+        android:layout="@layout/settings_entity_header"
+        android:selectable="false"
+        android:order="-10000"
+        settings:controller="com.android.settings.security.CredentialManagementAppHeaderController"/>
+
+    <!-- Buttons -->
+    <com.android.settingslib.widget.ActionButtonsPreference
+        android:key="buttons"
+        android:selectable="true"
+        android:order="-9998"
+        settings:controller="com.android.settings.security.CredentialManagementAppButtonsController"/>
+
+    <!-- Authentication Policy -->
+    <PreferenceCategory
+        android:key="authentication_policy"
+        android:layout="@layout/preference_category_no_label"
+        android:title="@string/summary_placeholder"
+        settings:controller="com.android.settings.security.CredentialManagementAppPolicyController"/>
+
+</PreferenceScreen>