Creating ConnectivityUtil instances after checking the minimum set of
permissions since SubscriptionManager#getActiveSubscriptionInfoList()
requires READ_PHONE_STATE and users can revoke the permission.
On P and beyond, the subscription list will be filtered instead when no
permission.
Bug: 159421050
Test: Manual
Signed-off-by: Taesu Lee <taesu82.lee@samsung.com>
Change-Id: Iafc3c57060e1893a91e629b1b3e3ba9ad78967cb
615ebb9dd6