Move prohr@'s temp EthernetManagerTest.kt ownership so it will work. am: c502646e5c am: 9581fb1a87

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2225819

Change-Id: Ib1b31ff1f562de867fc50b91f3653a3fd5f46596
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>