Revert "Remove lights settings unless intrusive LED bools are true"

This reverts commit 81bfe0f3982a24854c4985ad7bc4bba008422c29.

Conflicts:
	src/com/android/settings/notification/NotificationSettings.java

(cherry picked from commit 57ff211bf15d20b4e66c6383e4a4df7494130c35)
Revert "Remove CM System Update Feature"

This reverts commit 91fefa5c2ca581dc7115df34965b3326fb928895.

Conflicts:
	res/xml/device_info_settings.xml