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

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

Change-Id: Ia374c2a63fe297e87f0d121e42c1f9cbc03613a3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>