session-android/res/drawable/import_export_item_background_dark.xml

<?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="@color/import_export_item_background_shadow_dark" />
            <corners android:radius="@dimen/message_bubble_corner_radius" />
        </shape>
    </item>

    <item android:bottom="@dimen/message_bubble_shadow_distance">
        <shape>
            <solid android:color="@color/import_export_item_background_dark" />
            <corners android:radius="@dimen/message_bubble_corner_radius" />
        </shape>
    </item>

</layer-list>