Merge "Add tethering privileged test" am: af9ec640c9

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1345361

Change-Id: I9a97578c15ee9122d1e9ef79f42fa059e4fcc7f4
tree: 33fb41c1cf5a732a535281a8c9fdaca9ceecb460
  1. Tethering/