Revert "Add PowerManager integration for button and keyboard backlight."

This reverts commit 1c9bc6bbd4244185f0274fb66489ee3dd09fd0cf.
Revert "keyboard: adding functional alt/shift lights"

This reverts commit da170046e6d9e4877f00fa20641a5fe89be2319b.

Conflicts:
	services/java/com/android/server/power/PowerManagerService.java

Change-Id: Id04456588681ab9f6eb5cd68d0edf14249736244
Revert "Keyboard light: Fix the physical keyboard not light when it's visiable."

This reverts commit 4e7f7e2ecf704cb008d31b32ec1a3ce4173822dd.
Revert "power: Add CPU boosting interface"

This reverts commit b89ac5e1c3be22517a067fee4de27fa3b1da6f38.