Merge "run_multithread_func is moved to utils.multithread" am: dea4d548c0 am: e0ebb4beb9 am: 0d377d1b37

Original change: https://android-review.googlesource.com/c/platform/tools/test/connectivity/+/1892957

Change-Id: I2664b3d59d04bb7ac5b21c14dbc79129bb298ae2
tree: f5a19dcadcbd0bf54b5d4c8cef2b86bc172d0081
  1. acts/
  2. acts_tests/
  3. tools/
  4. wts-acts/
  5. Android.mk
  6. OWNERS
  7. PREUPLOAD.cfg