Merge redfin/bramble support.

Bug: 171218636
Merged-In: Ie05fa703825c725c5f8de592eb6c6d20ebd41736
Change-Id: Ic7527745024dd57d67c8f14d680b02df57000ba8
tree: 66c10a8614bd8fecceaf23b84ae1b1f07fd38b6b
  1. apex/
  2. service/
  3. metrics_pdd_hook.py
  4. PREUPLOAD.cfg