editor/drawable-anydpi-v21/ic_format_indent_increase_black_24dp.xml

<vector xmlns:android="http://schemas.android.com/apk/res/android"
        android:width="24dp"
        android:height="24dp"
        android:viewportWidth="24.0"
        android:viewportHeight="24.0">
    <path
        android:fillColor="#FF000000"
        android:pathData="M3,21h18v-2L3,19v2zM3,8v8l4,-4 -4,-4zM11,17h10v-2L11,15v2zM3,3v2h18L21,3L3,3zM11,9h10L21,7L11,7v2zM11,13h10v-2L11,11v2z"/>
</vector>