Make tap events less sensitive.

    // Where the cutoff is for determining an edge swipe

    private static final float EDGE_SWIPE_THRESHOLD = 0.9f;

    private static final int FLICK_MSG_ID = 313;

    // TODO: Pass touch slop from the input device

    private static final int TOUCH_SLOP = 30;

    // The position of the previous touchpad event

    private float mLastTouchpadXPosition;

        mMinFlickDistanceSquared *= mMinFlickDistanceSquared;

        mFlickDecay = Float.parseFloat(SystemProperties.get(

                "persist.sys.vr_flick_decay", "1.3"));

        mTouchSlop = ViewConfiguration.getTouchSlop();

        mTouchSlop = TOUCH_SLOP;

        mTouchSlopSquared = mTouchSlop * mTouchSlop;

    }