samples/SupportLeanbackShowcase/app/src/main/res/layout/icon_card_footer.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
             xmlns:lb="http://schemas.android.com/apk/res-auto"
             lb:layout_viewType="info"
             android:layout_width="match_parent"
             android:layout_height="match_parent">

    <TextView
        android:id="@+id/primary_text"
        style="@style/StandardCardPrimaryText"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:fontFamily="sans-serif-condensed"
        android:gravity="center"
        android:lines="2"
        android:maxLines="2"
        />

</FrameLayout>