Merge "Make the IP subnet persistent till reboot" am: f052e40f79

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1432958

Change-Id: I0aaa978e8edd7e8666413fb18352fa83e9fb5469
tree: a45f13ba7cbc1aeb77a5cb843d001cf97e3061de
  1. Tethering/