Merge "prevent nullptr dereference when calling unwanted" am: 03f03d7acf am: 07060e39fd am: cc1a711197

Original change: https://android-review.googlesource.com/c/platform/frameworks/opt/net/ethernet/+/1802269

Change-Id: I7d54b1e0f6e092a15364c9e7ad0e94f31682acfe
tree: 9e21659c123cb35d557caaa38ed84cbb945f696f
  1. service-t/
  2. tests/