overlay: Add intrusive Notification LED toggle switch in Settings

Issue: PRJ8901-492
Issue: FP3-A11#233
Change-Id: I7d73942bc55bc3bbe8b51f4c5db585381328e9d3
(cherry picked from commit 61c9c18d95e580eb74ff9c585e66f58784ce29a8)
1 file changed