Merge changes from topic "sta_sta_hidl"

* changes:
  ActiveModeWarden: Configure hardware for STA + STA
  WifiVendorHal: Plumb the STA + STA HIDL APIs
tree: 6a63da3ce656ebfb17f296e88c0d0268cfb3d5bd
  1. apex/
  2. service/
  3. metrics_pdd_hook.py
  4. PREUPLOAD.cfg