[DO NOT MERGE] Delete empty test files am: 3f5eb3cd12 am: d0e1e99d15 am: 6251ee39a4

Original change: https://android-review.googlesource.com/c/platform/tools/test/connectivity/+/1441996

Change-Id: I751b6b6dd880078d92daf8228d4966fc43092553
tree: a4bdc0c9e08aaa5e160581a4e47a65f4d8d38394
  1. acts/
  2. acts_tests/
  3. tools/
  4. wts-acts/
  5. Android.mk
  6. OWNERS
  7. PREUPLOAD.cfg