Make delete dialog match spec.

    xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:paddingTop="30dp"

    android:gravity="center"

    android:paddingTop="24dp"

    android:paddingStart="24dp"

    android:paddingEnd="24dp"

    android:textAppearance="@android:style/TextAppearance.Material.Subhead"

    android:textColor="@*android:color/primary_text_default_material_light">

</TextView>