Revert "Migrate MainSwitchBar in Settings to Material3"

Revert submission 25338737-settingslib_main_switch

Reason for revert: breaks packages/modules/AdServices/adservices/apk/tests/settingsgaota/src/com/android/adservices/ui/settingsga/SettingsGaUiAutomatorTest.java (https://android-build.corp.google.com/test_investigate/?invocationId=I66100010216561043&testResultId=TR33729044105357424)

Reverted changes: /q/submissionid:25338737-settingslib_main_switch
Bug: 310546637
Change-Id: I7ab391d97ed5b784818121304ffa5e984bdf65c4

res/layout-v34/settingslib_main_switch.xml

@@ -1,27 +0,0 @@
-<?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" />