Merge "Use new test utilities from frameworks/libs/net" am: 1bc58efade am: c7fa8ea404 am: a1f356e172 am: 583f9937fc

Original change: https://android-review.googlesource.com/c/platform/cts/+/1455935

Change-Id: I121ca1e0e39d350f70c38b0e87193f5bbb379774
tree: 908ef0f1358f558c773ffdd7a4c65397cb2f8774
  1. tests/