Merge "Added callback from Tethering to PanService" am: e44282f897 am: df5628980a am: 1ef7c9f001 am: 1794187c74

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1751527

Change-Id: I233839a803d9992d665da6cc10f19981f33f582d