MSIM: Replace names of tabs to real operator names

Add Sim slot number after Operator name and check
for SIM_STATE_ABSENT and display No SIM instead of NULL

Change-Id: If8804c2f14f6bb8adbdbebe7f5def0a133acbb46
Fix appt warnings: Add dummy strings for no default localization

Change-Id: I75587c324bacbea923ae20dec011f84f69028d13