ethtool: provide an ethtool symlink target am: 434d93d1ec am: 2352f8e263 am: 066d42f405

Original change: https://android-review.googlesource.com/c/platform/external/ethtool/+/2798067

Change-Id: Iba2c7a3f4eda9f15af2973557f23f975e0599149
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>