Merge changes I4432e1f7,I20ec32c9,Ib4df74c3,I45de2244,Iab929c42

* changes:
  WifiVendorHal: replace output parameters with return values
  Migrate away from WifiNative#getClientInterfaceName
  Make Before Break: Create BroadcastQueue
  SupplicantStateTracker: fix no-op unit tests
  Make SupplicantStateTracker per-ClientModeImpl
tree: c44c40fa0977224e9f8b5f94b4ac4204c4603ead
  1. apex/
  2. service/
  3. metrics_pdd_hook.py
  4. PREUPLOAD.cfg