Merge changes from topic "topic_sc-dev" into sc-mainline-prod

* changes:
  [automerge] Tradefed (Tiramisu) 2p: 9a0657c140
  Tradefed (Tiramisu)
tree: 581adadfe7a1d21c4353d77b25ecd90cfb3ddc8b
  1. filegroups/
  2. test_harness/
  3. OWNERS