Move peek to CF [1/2]

Revert "Add back notification light settings"

This reverts commit 06cd6fa43430b389614678ffa26e8caeae23b56a.

Revert "PEEK [2/2]"

This reverts commit e7fc431178e841dd83b748e70459364cd646a46a.

Conflicts:
	res/values/cr_strings.xml

Change-Id: Id1b577fa481dfc8cf3e26b62d776b5800aebb4e9