Merge branch 'CJL' into wxr4

wxr

2021-05-12 9acd3887f1f8db40d59f991b1726a61aa7c7637c

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<?xml version="1.0" encoding="UTF-8" ?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
    
     <item>
        <shape android:shape="rectangle">
            <solid android:color="#66000000" />
            <corners android:bottomLeftRadius="20dp" android:bottomRightRadius="20dp"/>
        </shape>
    </item>
 
</layer-list>