Improve strings

Change-Id: Ia210ee0fb04214325d26abaefed188d956e96c91
Support for SEEK on Android

Following apis have been introduced to support
SEEK (Secure Element Evaluation Kit) on Android:
1. transmitIccLogicalChannel
2. transmitIccBasicChannel
3. openIccLogicalChannel
4. closeIccLogicalChannel
5. getLastError
6. transmitIccSimIO
7. getATR

Conflicts:
	telephony/java/com/android/internal/telephony/ITelephony.aidl

Change-Id: Idca9b47daa646902b74e37e7841d9d1506610887
MSim: Add Multi Sim support for SEEK

MSim support for the following apis has been added:
1. transmitIccLogicalChannel
2. transmitIccBasicChannel
3. openIccLogicalChannel
4. closeIccLogicalChannel
5. getLastError
6. transmitIccSimIO
7. getATR

Change-Id: I14fd1ccc08a9c89d655c7eb9f92a194c82138d3b