Option to enable Notification Light when screen is on (2/2)

This makes possible to enable the Notification LED even when the screen is on

Change-Id: I437c24c0da93ecda1bcb7efc9986ac0970775870

MY_NOTE: I commited manually to avoid annoying conflicts.

https://github.com/temasek/android_packages_apps_Settings/commit/1d34f89977f6259e0223267c0813785fa5ebfe09

	modified:   res/values/pa_strings.xml
	modified:   res/xml/tool_bar_settings.xml
	modified:   src/com/android/settings/paranoid/Toolbar.java