Phone: blacklist: forward port to 4.3.

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>

Conflicts:

	res/values/strings.xml
	res/xml/call_feature_setting.xml
	src/com/android/phone/CallFeaturesSetting.java
	src/com/android/phone/CallNotifier.java
	src/com/android/phone/NotificationMgr.java
	src/com/android/phone/PhoneUtils.java