Spectrum-Layers Theme应用介绍：
Spectrum-Layers Theme是一款Layers主题，需要Layers层面主题引擎支持。应用修改包括：- AOSP Browser- AOSP Keyboard- Calculator- CellBroadcastReceiver- Contacts- Desk Clock (just a few black touches)- Dialer- DocumentsUI- Framework (L or M, Black or Dark)
