Merge changes from topics "remove_oem_configstore", "rename_oem_migration" into rvc-dev

* changes:
  WifiConfigStore: Remove OEM's config store after read
  wifi-service: Rename WifiOemMigrationHook class
tree: f0db5a940d5c552244c8a00cdd67925230a07caf
  1. apex/
  2. service/
  3. PREUPLOAD.cfg