Merge "Change Ethernet API to use OutcomeReceiver" into stage-aosp-master am: 666a09bb9b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17321707

Change-Id: I593918705439bd36552e994fa2ec4e12d8e270ef
tree: e07a78cbae3c689af96f3572098183bd329f08c7
  1. framework/
  2. framework-t/
  3. service-t/
  4. tests/