STK CC feature implementation

Support to display the current request is changed by STKCC.
Support to display alpha messgae from STKCC.
Support to display informatiom from new SS message.

Change-Id: I0d7ee0dea25cd40c074fdf748dbf900bd654fdff

Conflicts:
	src/java/com/android/internal/telephony/BaseCommands.java
	src/java/com/android/internal/telephony/CommandsInterface.java
	src/java/com/android/internal/telephony/PhoneBase.java
	src/java/com/android/internal/telephony/RIL.java
	src/java/com/android/internal/telephony/gsm/GSMPhone.java
	src/java/com/android/internal/telephony/test/SimulatedCommands.java
(cherry picked from commit 384c6fd7d7b7fc72e8a1dab504a514c5482db611)
(cherry picked from commit b41cd6dd20cccb2a7d0e88d4648127a07f8f2989)