Merge "Let only Ethernet manage ethernet interface up and down" am: ef511f8ba8 am: eb4a072814 am: ea1eabac24 am: 005cf1b1ec

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1317394

Change-Id: I1bc40afe2fb72b312e493da6142fdd72e9321f84