Check for ICCID against all subs belonging to the group.

Earlier the check was only against the current active subId.
As a result if the check was done while active sub was being
switched to another sub in the same group, the check failed.

Test: atest SubscriptionControllerTest
Bug: 182377503
Change-Id: Id639f841412ee84d1378d683225a2af04b57cd77