[2/2] Slim recent panel

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Here is the Settings part of Slim recent panel.
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* Add user configurable expanded mode.
    Allow user to choose between the following mode:
    * Auto (default)
    * Always expanded
    * Always collapsed
* Add lefty mode.
    Allow recent panel to show up on the left edge
    instead of the right edge for left handed people.
* Add scale mode.
    Allow user to scale recent panel size down.

[2/2] Slim最近应用面板

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这里是Slim最近应用面板的设置部分.
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* 添加用户可配置的展开模式.
    允许用户从以下模式中选择:
    * 自动 (默认)
    * 总是展开
    * 总是折叠
* 添加左利手模式.
    允许最近应用面板从左侧出现(而不是从右侧),
    方便左利手用户操作.
* 添加缩放模式.
    允许用户缩小最近应用面板尺寸.

Kudos to SlimRoms for the awesome original implementation.
向SlimsRoms对此功能的原创实现致以崇高的敬意.

[1/2] in platform_frameworks_base
So long #33B5E5

* Apps tab selector and ram usage
* Battery data usage bar
* App widget toggle

* 应用管理页面标签及内存占用
* 电池数据页面用量
* 桌面功能小部件
Not About phone/tablet, but About Nexus

不是"关于手机/平板", 而是"关于 Nexus"
FFFFUUUUUU build date & fix my OCD

FFFFUUUUUU生产日期 & 修复我的强迫症
Update zh-rCN translation by @silverhoo1124

更新来自 @silverhoo1124 的简体中文翻译