Merge changes from topic "presubmit-am-65f04f07af1b4daf8d8d88f5fab6bde5"

* changes:
  [automerge]  Add unit tests 2p: a67f9e759b Merged-In: <AOSP-18973913> Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/18973913
   Add unit tests