apps/CtsVerifier/res/drawable/round_button.xml

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:top="8px">
        <layer-list>
            <item>
                <shape android:shape="oval">
                    <solid android:color="#08000000"/>
                    <padding
                            android:bottom="3px"
                            android:left="3px"
                            android:right="3px"
                            android:top="3px"
                    />
                </shape>
            </item>
            <item>
                <shape android:shape="oval">
                    <solid android:color="#09000000"/>
                    <padding
                            android:bottom="2px"
                            android:left="2px"
                            android:right="2px"
                            android:top="2px"
                    />
                </shape>
            </item>
            <item>
                <shape android:shape="oval">
                    <solid android:color="#10000000"/>
                    <padding
                            android:bottom="2px"
                            android:left="2px"
                            android:right="2px"
                            android:top="2px"
                    />
                </shape>
            </item>
            <item>
                <shape android:shape="oval">
                    <solid android:color="#11000000"/>
                    <padding
                            android:bottom="1px"
                            android:left="1px"
                            android:right="1px"
                            android:top="1px"
                    />
                </shape>
            </item>
            <item>
                <shape android:shape="oval">
                    <solid android:color="#12000000"/>
                    <padding
                            android:bottom="1px"
                            android:left="1px"
                            android:right="1px"
                            android:top="1px"
                    />
                </shape>
            </item>
            <item>
                <shape android:shape="oval">
                    <solid android:color="#13000000"/>
                    <padding
                            android:bottom="1px"
                            android:left="1px"
                            android:right="1px"
                            android:top="1px"
                    />
                </shape>
            </item>
            <item>
                <shape android:shape="oval">
                    <solid android:color="#14000000"/>
                    <padding
                            android:bottom="1px"
                            android:left="1px"
                            android:right="1px"
                            android:top="1px"
                    />
                </shape>
            </item>
            <item>
                <shape android:shape="oval">
                    <solid android:color="#15000000"/>
                    <padding
                            android:bottom="1px"
                            android:left="1px"
                            android:right="1px"
                            android:top="1px"
                    />
                </shape>
            </item>

            <item >
                <shape android:shape="oval">
                    <solid android:color="#00bfa5" />
                </shape>

            </item>

        </layer-list>
    </item>


</layer-list>