Merge "Add documentation on EthernetNetworkSpecifier API" am: 682a98d823 am: f00ac501f4

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1669186

Change-Id: I8c8cd85bed535a868a55ec82721b35738efa4ae1
tree: a8e6a30c14c4dd0dcea6fbab53be931b4cf4c1e8
  1. core/
  2. services/