Update APIs for domain selection service plug-in

1. resetScan is added to onRequestEmergencyNetworkScan().
2. isTestEmergencyNumber() is added to SelectionAttributes.
3. getSubId(), getSlotId(), and getIso() are renamed.
4. cancelSelection() is removed from DomainSelector.
5. Add shell commands for CTS tests

Bug: 258112541
Test: atest DomainSelectionServiceTestOnMockModem
Change-Id: Id15403d87fb38961c40260542c740aea62e4863a
15 files changed