Add the ability to affect ordering in the tethering unit tests. am: 3e09f80e8a am: bdb012f733 am: a116b7f370

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1635021

Change-Id: I1ebce83cee60c2b5adc2102a7bda23b9c06460e2
tree: 9739b7d3e7ceaeb0f2d5161d66067cd0d74a96b6
  1. tests/
  2. Tethering/
  3. .gitignore
  4. OWNERS
  5. PREUPLOAD.cfg
  6. TEST_MAPPING