Merge changes from topic "am-c303f6a44dec4ecfb78a44add2e42c2c" into tm-d1-dev-plus-aosp
* changes:
[automerger skipped] Ignore new EthernetManager test until prebuilts are updated. am: 61408d30f6 -s ours am: 272ad99e4d -s ours
[automerger skipped] ethernet: add test for tethered interface callbacks am: bd7a9c2596 am: 759c19335d -s ours
[automerger skipped] ethernet: stop using EthernetManager shims am: 81b4b38067 am: b5bd581bc8 -s ours
[automerger skipped] ethernet: broadcast state change for server interfaces am: 1f8bd41e87 am: f00ccb2b90 -s ours
[automerger skipped] ethernet: increase timeout to deflake tests am: 227dfb5ad0 am: 9a11120c27 -s ours