Merge "Remove unused variable" into main

     */

    private static final int DOUBLE_TAP_MIN_TIME = 40;

    /**

     * Defines the maximum duration in milliseconds between a touch pad

     * touch and release for a given touch to be considered a tap (click) as

     * opposed to a hover movement gesture.

     */

    private static final int HOVER_TAP_TIMEOUT = 150;

    /**

     * Defines the maximum distance in pixels that a touch pad touch can move

     * before being released for it to be considered a tap (click) as opposed

        private int mJumpTapTimeout = -1;

        private int mDoubleTapTimeout = -1;

        private int mDoubleTapMinTime = -1;

        private int mHoverTapTimeout = -1;

        private int mHoverTapSlop = -1;

        private long mZoomControlsTimeout = -1L;

        private float mScrollFriction = -1f;