(APDS) Terminate selection when modem reset during domain selection

Fix to handle modem crash(modem reset) while APDS is in domain
selection procedure for emergency call.
1. Handle radio unavailable error for network scan
2. Handle modem reset
If APDS encounters above two cases, it will terminate ongoing call and
finish domain selection process.

Flag: EXEMPT bugfix
Bug: 358493124
Test: atest DomainSelectionConnectionTest
Test: Manual test on Anritsu platfrom. Reset the modem during domain
selection at various timings.
 1. Test scenario in b/358493124#comment11
 2. Test scenario in b/358493124#comment18

Change-Id: I2bb7cbb264902c688493d3f72ef66d5627013bdc