Fix no option after mobile network was reseted.

 - When reseting mobile network, subscription info will also be reset.
   It has a racing bewteen showing the UI and udpating the subscription
   info.

 - Register a receiver to receive subscription change to dynamically
   update the UI

Flag: EXEMPT bugfix
Bug: 362382003
Test: Manual test.
Change-Id: I16811503685a6b82eee5ecf3fa725255d356a765