Merge changes Ib6008f0a,I779a72bf into rvc-dev

* changes:
  [WifiNetworkSelector] Sticky metered bit
  [WifiNetworkSelector] Set metered bit in candidate
tree: 26c60ff5f3987be33f0ad8d0bb363ca78b921adf
  1. apex/
  2. service/
  3. PREUPLOAD.cfg