Check CarrierPriviledge for getPhoneAccountHandleForSubscriptionId

Currently getPhoneAccountHandleForSubscriptionId requires
READ_PRIVILEGED_PHONE_STATE permission. This change allows carrier
priviledged app to get the phone account handle of its own
subcriptionId.

Bug: 182966851
Test: manual
Change-Id: If23542fb003eb8af6299ffe6945c331b09ee9d9e
1 file changed