To read the group UUID, the calling app either needs carrier privileges or the...

To read the group UUID, the calling app either needs carrier privileges or the READ_PHONE_STATE permission and access to device identifiers.

If the app has only the READ_PHONE_STATE permission, it can no longer read the group UUID.
When SubscriptionManager#getSubscriptionsInGroup is called, If the calling app has carrier permission or READ_PHONE_STATE permission and access to device identifiers, then returns a list.
If not, it returns an empty list.

Bug: 213902861
Test: atest SubscriptionManagerTest
Test: atest SubscriptionControllerTest
Test: manual (b/213902861#comment54)
Change-Id: I4e764b1a5babfcacf675f6e83d2b1014ec570c1e
Merged-In: I4e764b1a5babfcacf675f6e83d2b1014ec570c1e