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 MSIM Network Settings (2/2)

For proper testing, re-enable disabler between reboots and toggle of
persist.radio.multisim.config value.

command: adb shell pm enable com.android.phone/.MSimActivityDisabler

Change-Id: I3f6b965340064d2446fb43b0817fb5e8b12d7c0b
Fix appt warnings: Add dummy strings for no default localization

Change-Id: I75587c324bacbea923ae20dec011f84f69028d13