[1/2] Settings: instant led test

Show LED color in realtime when configuring
notification colors.

Requires framework patch for notification
extra EXTRA_FORCE_SHOW_LIGHTS.

Change-Id: Ic7858d79cb2351c407afd547b33652a9e04ef1b9

Conflicts:
	res/values-ca/cm_strings.xml
	res/values-de/cm_strings.xml
	res/values-en-rGB/cm_strings.xml
	res/values-es/cm_strings.xml
	res/values-fr/cm_strings.xml
	res/values-hu/cm_strings.xml
	res/values-it/cm_strings.xml
	res/values-iw/cm_strings.xml
	res/values-lt/cm_strings.xml
	res/values-nl/cm_strings.xml
	res/values-pl/cm_strings.xml
	res/values-pt/cm_strings.xml
	res/values-ru/cm_strings.xml
	res/values-th/cm_strings.xml
	res/values-uk/cm_strings.xml
	res/values-zh-rCN/cm_strings.xml
	res/values/cm_strings.xml
	src/com/android/settings/notificationlight/ApplicationLightPreference.java
	src/com/android/settings/notificationlight/LightSettingsDialog.java