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

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

Change-Id: I84dedf9b3ff80d837f7b1fcd4a608e45db6afa00
tree: 3bca66443cdbf34b81dfb819e3717f9385adcc7f
  1. tests/
  2. Tethering/