Add Sony Xperia L maintainers

Change-Id: I249c637af4fd9859db78bbc0d23726986d15d121
Revert "cm: Add some app-specific performance settings"

This reverts commit 34d5e908433ce79e1c7fbcb88cf1661a4adb1743.
Clean up

- Remove CM Updater
- Remove CM Wallpaper
- Remove LockClock
Persist DPI & Xposed across flash
New bootanimation