Merge "Allow tethering pick prefix from all of private address range" am: 8c9a2645d8 am: 4388f63021 am: e2a905116c

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1436852

Change-Id: If37b6cdeb9d5573d1a6edc960bfc2a0a7404f73c
tree: eeb2073bd6994f01c6109a21a389064a3b8b0dc1
  1. Tethering/