Update the backgroud of checkbox for rotary

Fixes: 175067224
Test: manual
Change-Id: I621c0b7f7382f82ffcc2a002b2d6577f36c80787

core/res/res/drawable-car/car_checkbox.xml

@@ -20,4 +20,8 @@
         android:width="@*android:dimen/car_primary_icon_size"
         android:height="@*android:dimen/car_primary_icon_size"
         android:drawable="@drawable/btn_check_material_anim"/>
+    <item
+        android:width="@*android:dimen/car_primary_icon_size"
+        android:height="@*android:dimen/car_primary_icon_size"
+        android:drawable="@drawable/car_checkbox_background"/>
 </layer-list>

core/res/res/drawable-car/car_checkbox_background.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright 2021 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.
+-->
+
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_focused="true" android:state_pressed="true">
+        <shape android:shape="rectangle">
+            <solid android:color="#8A0041BE" />
+            <stroke android:width="4dp" android:color="#0041BE" />
+        </shape>
+    </item>
+    <item android:state_focused="true">
+        <shape android:shape="rectangle">
+            <solid android:color="#3D0059B3" />
+            <stroke android:width="8dp" android:color="#0059B3" />
+        </shape>
+    </item>
+</selector>