Fix insufficint contrast on Vision Settings toggles.

    <style name="SetupWizardAccessibilitySwitchBarTheme" parent="ThemeOverlay.SwitchBar.Settings">

        <item name="switchBarBackgroundColor">@color/material_blue_500</item>

        <item name="android:colorControlActivated">@android:color/white</item>

    </style>

    <!-- Theme with no local references, used by AccountPreferenceBase where we have to inflate