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