Because WifiTracker2 refactoring in framework side is done, Settings App need to refactor AddAppNetworksFragment to use WifiEntry but not AccessPoint. Bug: 152454787 Test: make RunSettingsRoboTests ROBOTEST_FILTER=AddAppNetworksFragmentTest Change-Id: Ica2fb7e7fcac112140e5d64f3e4193222c974352