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

* changes:
  [automerge] Tradefed (Tiramisu) 2p: 0b856ff9d2
  Tradefed (Tiramisu)
tree: 909cf709e86974f465ba0437bc10bf214eead652
  1. filegroups/
  2. test_harness/
  3. OWNERS