Merge "Merge "Add animations during swiping picker carousel" into udc-dev am:...

    /** Move the clock, for example, if the notification tray appears in split-shade mode. */

    fun onPositionUpdated(fromRect: Rect, toRect: Rect, fraction: Float) {}

    /**

     * Runs when swiping clock picker, swipingFraction: 1.0 -> clock is scaled up in the preview,

     * 0.0 -> clock is scaled down in the shade; previewRatio is previewSize / screenSize

     */

    fun onPickerCarouselSwiping(swipingFraction: Float, previewRatio: Float) {}

    /**

     * Whether this clock has a custom position update animation. If true, the keyguard will call

     * `onPositionUpdated` to notify the clock of a position update animation. If false, a default