MultiSim: move getFormattedSimName() to frameworks (2/2)

Move this into one location any app can call.

Conflicts:
        core/res/res/values/cm_strings.xml
        core/res/res/values/symbols.xml

Signed-off-by: Roman Birg <roman@cyngn.com>
Change-Id: I02a96f72be1e41783faeb5862cb26b96ca776672
Global Settings (MSIM): Add global settings for naming sim cards

Change-Id: Ibbd0d48042a92f82241a4ccaee12a81ca13ccdb4