This change removes AddDevicePreferenceController WifiDetailPreferenceController WifiMeteredPreferenceController WifiNetworkDetailsFragment WifiPrivacyPreferenceController Bug: 152571756 Test: make RunSettingsRoboTests -j ROBOTEST_FILTER=com.android.settings.wifi Change-Id: Id4901d632f7f4634461ebbbc096e36d348a33365