Merge changes I22798f4e,I3e2a18ba,I84f9949f

* changes:
  WiifConfigManagerNew: Fixing some nits
  WifiConfigManagerNew: Implement channel set creation
  WifiConfigManagerNew: Implement linking of networks
tree: 8c6aad1189dcb31c0f7abffb516eb2d99ba3fa89
  1. libwifi_hal/
  2. libwifi_system/
  3. service/
  4. tests/