Merge "Adapt new EthernetManager APIs in Settings." am: 3340b8e3c3 am: b3fedd0633 am: 397b3fe978

Original change: https://android-review.googlesource.com/c/platform/packages/apps/Settings/+/1968461

Change-Id: Ie5150b1987653c52d922af1a057df39553ccf7b4