Move prohr@'s temp EthernetManagerTest.kt ownership so it will work. am: c502646e5c am: 9581fb1a87 am: 29dd41846a

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

Change-Id: I940f44e4b1f3803e494f6fb7c396203eeaf0cc39
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>