update:2021.03.19

fix:重新提交
add:

res/drawable/widget_internal_focus_bg.xml

@@ -1,28 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/*
-**
-** Copyright 2015, 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.
-*/
--->
-
-<!-- Used as the widget host view background when giving focus to a child via keyboard. -->
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:state_selected="true">
-        <shape android:shape="rectangle">
-            <stroke android:color="#fff" android:width="2dp" />
-        </shape>
-    </item>
-</selector>