USI Stylus settings Fragment.

The USI stylus settings fragment shows specific preferences
for USI stylus devices only.

There is currently no way to access this fragment from the UI.

Bug: 251201006
DD: go/stylus-connected-devices-doc
Test: StylusUsiHeaderControllerTest
Change-Id: I18223abc8113dce977f57f930ba701da0a34cc18

res/xml/stylus_usi_details_fragment.xml

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2022 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/stylus_device_details_title">
+
+    <com.android.settingslib.widget.LayoutPreference
+        android:key="stylus_usi_header"
+        android:layout="@layout/settings_entity_header"
+        android:selectable="false"
+        settings:allowDividerBelow="true"
+        settings:searchable="false"/>
+
+    <PreferenceCategory
+        android:key="device_stylus"/>
+
+</PreferenceScreen>