[Settings] Replacing SubscriptionManager#addOnSubscriptionsChangedListener API

Replace SubscriptionManager#addOnSubscriptionsChangedListener API in
order to compatible with legacy design.

Bug: 151838951
Test: m RunSettingsRoboTests -j ROBOTEST_FILTER=SubscriptionsChangeListenerTest
Test: m RunSettingsRoboTests -j ROBOTEST_FILTER=ActiveSubsciptionsListenerTest
Test: m RunSettingsRoboTests -j ROBOTEST_FILTER=SimStatusDialogControllerTest
Merged-In: Ib98ce0dcbf18b6f48a6f267dd9e7be017d571157
Merged-In: I350604a64a56151195f52d38bd258e34c76e40c5
Change-Id: I4fc89e91381b1562ee7e2f48cfc159949c81a414