[Wi-Fi] Refactor add wifi networks feature to use WifiNetworkSuggestion.

WifiConfiguration used in the feature of add apps Wi-Fi networks was deprecated, need to be changed to use WifiNetworkSuggestion instead.

Bug: 136472483
Test: just add action, test case will be in Settings App side.
Change-Id: Ia1e4ab88dd70f951ff4e9115b1e373a9886ab565
2 files changed