Add support for query SIM SMS capacity

Add an API getSmsCapacityOnIcc to return the capacity of SMS
 on ICC card.
The capacity value is the size of SmsRawData list in
 IccSmsInterfaceManager, which reads EF_SMS and holds the data
 in that list.

Change-Id: I8ef14faf58a7325b6a3fcb08d6be0f1aee9a4da6
CRs-Fixed: 645022