ethernet: expand server mode callbacks test

Bug: 236895792
Bug: 252963267
Test: atest EthernetManagerTest
Change-Id: Ib74fc0689592ebce7247d5f36a60b68ede6713a9
(cherry picked from commit 43fa51ca2e1918b3e138547373dd3731215d41cd)
Merged-In: Ib74fc0689592ebce7247d5f36a60b68ede6713a9
1 file changed