Merge "Add tethering privileged test" am: af9ec640c9 am: adda81e88f

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

Change-Id: Id673131e628856ea57475384160baeac5e10de1b
tree: 0f0960399725424e7847056a4f767099d2a6b48d
  1. Tethering/