Telephony: Add OperatorReplace api to framework:

this converts the operator number into carrier name, 2 API

this one load once if the number is the same through the life span of the SIM.
public static String operatorReplace(String response)

This one is for loop based sisuation, doesn't lazy load the selective-spn.xml,

public String unOptimizedOperatorReplace(String response)

Change-Id: I4273e6091df8c0e59ca86ac6d69bd8e40e9c4d44
Merge pull request #6 from CyanogenMod/cm-12.0

Telephony: Add OperatorReplace api to framework: