Migrate MainSwitchBar in Settings to Material3

Settings UI changed in this cl.

Bug: 306658346
Test: manual - on Settings pages
Change-Id: If7bba3cd8e26e84158f5bcc11a6a0443009921e5

res/layout-v34/settingslib_main_switch.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2023 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.
+  -->
+
+<com.google.android.material.materialswitch.MaterialSwitch
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@android:id/switch_widget"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:layout_gravity="center_vertical"
+    android:background="@null"
+    android:clickable="false"
+    android:focusable="false"
+    android:theme="@style/Theme.Material3.DynamicColors.DayNight" />