Keep service state listener updated on default sub change

The service state listener may not be update when default sub
is changed, but related configurations are same. In this case,
the service state listener should be updated as well.

Bug: 233000473
Test: atest CellBroadcastServiceTests:GsmCellBroadcastHandlerTest
Change-Id: I72ea1bc10987b3df84c7e6e8cfd3e3a673db74a9
3 files changed