Merge "Use READ_PHONE_STATE when checking Carrier Configs." am: b9e51da2e8 am: 38cda37e44

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1489639

Change-Id: Ib79b94583f4b72d595cf13258f6651359bb60017
tree: 07efcd07ef8d31eb0e35128966bd54b7948ad7bb
  1. tests/
  2. Tethering/