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

Move this into one location any app can call.

Change-Id: I02a96f72be1e41783faeb5862cb26b96ca776672
Signed-off-by: Roman Birg <roman@cyngn.com>
Signed-off-by: anerikg <nikorezzano@gmail.com>

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