Revert "Ignore new EthernetManager test until prebuilts are updated."

This reverts commit 61408d30f65622311c005227cf69c56ce95ada58.

Reason for revert: Prebuilt is updated and tests should pass
Merged-In: Ic956b5e52575a467b405fecf142c7f25925358d4

Change-Id: I5e0edb8412cedac38b4bac126e4ba62cfb8e198f
1 file changed