Merge "Remove preinstalled from SYSTEM_ALERT_WINDOW"

         The app can check whether it has this authorization by calling

         {@link android.provider.Settings#canDrawOverlays

         Settings.canDrawOverlays()}.

         <p>Protection level: signature|preinstalled|appop|pre23|development -->

         <p>Protection level: signature|appop|installer|pre23|development -->

    <permission android:name="android.permission.SYSTEM_ALERT_WINDOW"

        android:label="@string/permlab_systemAlertWindow"

        android:description="@string/permdesc_systemAlertWindow"

        android:protectionLevel="signature|preinstalled|appop|pre23|development" />

        android:protectionLevel="signature|appop|installer|pre23|development" />

    <!-- @deprecated Use {@link android.Manifest.permission#REQUEST_COMPANION_RUN_IN_BACKGROUND}

         @hide