Revert "[AAOS emulator] Disable Ethernet by default" This reverts commit 2bfbec7c1570db920d345ac266d304f58af6b682. Reason for revert: Found a better solution. Bug: 192710732 Change-Id: Iec88ed050c7b259ca3dd25d2539a732aba90451e (cherry picked from commit b25507e241da35dbd75ee637b713438392b7a4ae)