Update IRadioNetwork and VTS for emergency domain selection

1. Add resetScan parameter to cancelEmergencyNetworkScan
It indicates the way how the next triggerEmergencyNetworkScan shall work.
If true, modem will start the new scan from the beginning.
Otherwise, it will proceed as an existing search.

2. Allow RadioError:REQUEST_NOT_SUPPORTED to make requests optional

Bug: 243344927
Test: atest VtsHalRadioTargetTest
Change-Id: I0eaf905d73a7910b7bbd651add4b8a3bb6a23dc6