Merge "Mark EthernetManagerTest as @ConnectivityModuleTest" am: c2cbabf590 am: bdb8dbaefe am: b5ebb690d9 am: 2394e015db

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2127855

Change-Id: I133de181907d228009386d8ac3cdfc87f8a192f9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>