settings: embed custom led notifications into display

Thats how I would do it :)
I have just commented out the original code

Change-Id: Id68074f79967167a892b51796ca10a3a2359dceb

Conflicts:
	res/values/custom_strings.xml
	src/com/android/settings/DisplaySettings.java
[2/2] settings: add CPU info overlay

this shows
CPU temp (if available)
for every core governor + online + freq

Change-Id: I28c1e48c2e613b33c301b61cead70678ab6a2e9b