Merge "Only modify window layout params when necessary." into cw-f-dev

                    @Override

                    public void onSwipeCancelled(SwipeDismissLayout layout) {

                        WindowManager.LayoutParams newParams = getAttributes();

                        // Swipe changes only affect the x-translation and alpha, check to see if

                        // those values have changed first before resetting them.

                        if (newParams.x != 0 || newParams.alpha != 1) {

                            newParams.x = 0;

                            newParams.alpha = 1;

                            setAttributes(newParams);

                            setFlags(FLAG_FULLSCREEN, FLAG_FULLSCREEN | FLAG_LAYOUT_NO_LIMITS);

                        }

                    }

                });

    }