Merge "Add setEthernetEnabled and its listener API" am: 3b4812350f am: 8b95137a16

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2027927

Change-Id: Ifa06c4f75acb872c3297d2a9a77101bebbad1c05
tree: e88e65ef11b151849b4a2a768cd9008bd6fcc963
  1. framework/
  2. framework-t/
  3. service-t/
  4. tests/