Merge "Desks: Default DesktopWallpaperActivity focusability to false" into main

    override fun onCreate(savedInstanceState: Bundle?) {

        super.onCreate(savedInstanceState)

        updateFocusableFlag(focusable = true)

        Log.d(TAG, "onCreate")

        // Set to |false| by default. This shouldn't matter because

        // [Activity#onTopResumedActivityChanged] is supposed to be called after [onResume] which

        // should set the correct state. However, there's a lifecycle bug that causes it not to

        // be called after [onCreate] (see b/416700931) and may leave the wallpaper touchable after

        // entering desktop mode with another app. To prevent this make it not focusable by

        // default, as it is more likely a user will enter desktop with a task than without one

        // (entering through an empty desk may result in a reversed bug: unfocusable when we wanted

        // it to be focusable).

        updateFocusableFlag(focusable = false)

    }

    override fun onTopResumedActivityChanged(isTopResumedActivity: Boolean) {