Telephony: Get SIM card capacity count of SMS.

Add one API:
- getSmsCapacityOnIcc: get the capacity of stored SMS on ICC card.

CRs-Fixed: 645022
Change-Id: I8064d694d35c4200074a24ee4159d09ecb2a779c
Merge pull request #4 from CyanogenMod/cm-11.0

Telephony: Get SIM card capacity count of SMS.