Update the mobile activity

1. Add listener to ACTION_RADIO_TECHNOLOGY_CHANGED
2. Update fragment switch by using replace
3. Remove todo for sort because list is already sorted by sim slot
4. Make actiivty accept SUB_ID from intent
5. Add icon for multi-sim support

Bug: 114749736
Test: RunSettingsRoboTests && Screenshot

Change-Id: I11c472b1479ec9243266cb2a7ef4292370ac6894