Apply the settings lib style into the reset button of "Display size and text".

Bug: 222415445
Fix: 220638395
Test: manual test
Change-Id: I001c9eff69f46f4ba142c3e5e428b1a92169ba7d

res/drawable/accessibility_text_reading_reset_button_background.xml

@@ -1,25 +0,0 @@
-<?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.
--->
-
-<shape
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:androidprv="http://schemas.android.com/apk/prv/res/android"
-    android:shape="rectangle">
-
-    <corners android:radius="100dp" />
-    <solid android:color="?androidprv:attr/colorAccentPrimary" />
-</shape>

res/layout/accessibility_text_reading_reset_button.xml

@@ -28,9 +28,8 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center"
-        android:background="@drawable/accessibility_text_reading_reset_button_background"
         android:paddingHorizontal="24dp"
         android:paddingVertical="14dp"
         android:text="@string/accessibility_text_reading_reset_button_title"
-        android:textAppearance="?android:attr/textAppearanceMedium" />
+        style="@style/ActionPrimaryButton"/>
 </FrameLayout>