Merge "Add tethering privileged test" am: af9ec640c9 am: adda81e88f am: c882e8c995 am: 38a286c9cd

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

Change-Id: Ie48b6709a5a962eac8c967912596d517040b80de
tree: 0f0960399725424e7847056a4f767099d2a6b48d
  1. Tethering/