Merge "Add DeviceInteractionHelperInstaller target preparer" am: ea982881a9

Change-Id: I32fad7fed316d4dfb356fd7c36c1fd35faf4dc54
tree: 4d7a97bf8db969b30d6c9b09d4e5e910bfa1e505
  1. build/
  2. common/
  3. tools/
  4. OWNERS
  5. PREUPLOAD.cfg
  6. test_defs.sh