KeyHandler: Update to S

Change-Id: I68c6c0bc4d02f515a75293150e45b5bb083b0b26

KeyHandler/AndroidManifest.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-     Copyright (C) 2018, 2021 The LineageOS Project
+     Copyright (C) 2018, 2021-2022 The LineageOS Project
 
      Licensed under the Apache License, Version 2.0 (the "License");
      you may not use this file except in compliance with the License.
@@ -23,7 +23,7 @@
     <application
         android:icon="@mipmap/ic_launcher"
         android:label="@string/device_settings_app_name"
-        android:theme="@style/Theme.Main"
+        android:theme="@style/Theme.SubSettingsBase"
         android:defaultToDeviceProtectedStorage="true"
         android:directBootAware="true">