<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
  <com.android.devicediagnostics.evaluated.StorageHealthPreference
      android:key="health"
      android:selectable="false"
      android:title="@string/storage_health_title"
      android:summary="@string/unavailable" />

  <Preference
    android:key="total_capacity"
    android:selectable="false"
    android:title="@string/storage_total_capacity_title"
    android:summary="@string/unavailable"/>
</PreferenceScreen>
