Merge "Clear test ethernet data when no longer enabled" am: b8a7c9bb65

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2052025

Change-Id: I6012c55989812c1c9055ed05524b86b9d16d43fa
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>