fixup! base: Style Switch widget

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

    <item android:state_enabled="false"

          android:color="?attr/colorForeground"

          android:alpha="?attr/disabledAlpha" />

          android:color="#C8CED0"

          android:alpha="0.75" />

    <item android:state_checked="true"

          android:color="?attr/colorControlActivated" />

    <item android:color="?attr/colorForeground" />

    <item android:color="#C8CED0" />

</selector>