Merge "Reduce long press timeout on edge back gesture" into qt-dev

public class EdgeBackGestureHandler implements DisplayListener {

    private static final String TAG = "EdgeBackGestureHandler";

    private static final int MAX_LONG_PRESS_TIMEOUT = 250;

    private final IPinnedStackListener.Stub mImeChangedListener = new IPinnedStackListener.Stub() {

        @Override

        // before the app starts to react to it.

        // TODO(b/130352502) Tune this value and extract into a constant

        mTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop() * 0.75f;

        mLongPressTimeout = ViewConfiguration.getLongPressTimeout();

        mLongPressTimeout = Math.min(MAX_LONG_PRESS_TIMEOUT,

                ViewConfiguration.getLongPressTimeout());

        mNavBarHeight = res.getDimensionPixelSize(R.dimen.navigation_bar_frame_height);

        mMinArrowPosition = res.getDimensionPixelSize(R.dimen.navigation_edge_arrow_min_y);