[2/2] QuickSettings quick pulldown & swipe to switch

* Add a user configurable QuickSettings quick pulldown option.
* Add a swipe-to-switch action between Notification/QuickSettings panel.

[2/2] 快捷设置面板快速下拉 & 滑动切换

* 添加一个用户可配置的快捷设置面板快速下拉选项.
* 添加通知面板和快捷设置面板之间的滑动切换操作.

[1/2] in platform_frameworks_base