[Settings] Migrate legacy attributes to respect color contrast

<?xml version="1.0" encoding="utf-8"?>

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<resources>

    <style name="Theme.SettingsBase" parent="Theme.SettingsBase_v31" >

        <item name="android:spinnerStyle">@style/Spinner.SettingsLib</item>

        <item name="android:spinnerItemStyle">@style/SpinnerItem.SettingsLib</item>

        <item name="android:spinnerDropDownItemStyle">@style/SpinnerDropDownItem.SettingsLib</item>

        <item name="android:colorAccent">@color/settingslib_materialColorPrimary</item>

        <!-- component module background -->

        <item name="android:colorBackground">@color/settingslib_materialColorSurfaceContainer</item>

        <item name="android:textColorPrimary">@color/settingslib_materialColorOnSurface</item>

        <item name="android:textColorSecondary">@color/settingslib_materialColorOnSurfaceVariant</item>

        <item name="android:textColorTertiary">@color/settingslib_materialColorOutline</item>

    </style>

</resources>

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