Hidden subscription will not be returned in getActiveSubscriptionInfoList.

By default, grouped carrier opportunistic subscriptions will no longer
be returned in getActiveSubscriptionInfoList. For internal places where
needs to see hidden subscriptions, we'll use a separate API to get them.

Bug: 121396526
Test: manual
Change-Id: I212be5fb69e172f53fbd382ff4c2374931a555eb
Merged-In: I212be5fb69e172f53fbd382ff4c2374931a555eb