[Wi-Fi] Add object comments for WifiTrackerLib migration

Migrating from Wi-Fi SettingsLib to to WifiTrackerLib, there are
both some Settings files of both version. Developers should
develop on new version files.

Bug: 152571756
Test: compile
Change-Id: I4446e2e333663bf69daa1ceff102775889021851

src/com/android/settings/wifi/details/AddDevicePreferenceController.java

@@ -25,11 +25,14 @@ import androidx.preference.Preference;
 
 import com.android.settings.core.BasePreferenceController;
 import com.android.settings.wifi.dpp.WifiDppUtils;
-
 import com.android.settingslib.wifi.AccessPoint;
 
 /**
- * {@link BasePreferenceController} that launches Wi-Fi Easy Connect configurator flow
+ * {@link BasePreferenceController} that launches Wi-Fi Easy Connect configurator flow.
+ *
+ * Migrating from Wi-Fi SettingsLib to to WifiTrackerLib, this object will be removed in the near
+ * future, please develop in
+ * {@link com.android.settings.wifi.details2.AddDevicePreferenceController2}.
  */
 public class AddDevicePreferenceController extends BasePreferenceController {
 

src/com/android/settings/wifi/details/WifiDetailPreferenceController.java

@@ -99,6 +99,10 @@ import java.util.stream.Collectors;
 /**
  * Controller for logic pertaining to displaying Wifi information for the
  * {@link WifiNetworkDetailsFragment}.
+ *
+ * Migrating from Wi-Fi SettingsLib to to WifiTrackerLib, this object will be removed in the near
+ * future, please develop in
+ * {@link com.android.settings.wifi.details2.WifiDetailPreferenceController2}.
  */
 public class WifiDetailPreferenceController extends AbstractPreferenceController
         implements PreferenceControllerMixin, WifiDialogListener, LifecycleObserver, OnPause,

src/com/android/settings/wifi/details/WifiMeteredPreferenceController.java

@@ -31,7 +31,11 @@ import com.android.settings.wifi.WifiDialog;
 import com.android.settingslib.core.AbstractPreferenceController;
 
 /**
- * {@link AbstractPreferenceController} that controls whether the wifi network is metered or not
+ * {@link AbstractPreferenceController} that controls whether the wifi network is metered or not.
+ *
+ * Migrating from Wi-Fi SettingsLib to to WifiTrackerLib, this object will be removed in the near
+ * future, please develop in
+ * {@link com.android.settings.wifi.details2.WifiMeteredPreferenceControlle2}.
  */
 public class WifiMeteredPreferenceController extends BasePreferenceController implements
         Preference.OnPreferenceChangeListener, WifiDialog.WifiDialogListener {

src/com/android/settings/wifi/details/WifiNetworkDetailsFragment.java

@@ -46,6 +46,10 @@ import java.util.List;
  *
  * <p>The AccessPoint should be saved to the intent Extras when launching this class via
  * {@link AccessPoint#saveWifiState(Bundle)} in order to properly render this page.
+ *
+ * Migrating from Wi-Fi SettingsLib to to WifiTrackerLib, this object will be removed in the near
+ * future, please develop in
+ * {@link com.android.settings.wifi.details2.WifiNetworkDetailsFragment2}.
  */
 public class WifiNetworkDetailsFragment extends DashboardFragment implements
         WifiDialog.WifiDialogListener {

src/com/android/settings/wifi/details/WifiPrivacyPreferenceController.java

@@ -33,7 +33,11 @@ import com.android.settingslib.core.AbstractPreferenceController;
 
 /**
  * {@link AbstractPreferenceController} that controls whether the wifi network is mac randomized
- * or not
+ * or not.
+ *
+ * Migrating from Wi-Fi SettingsLib to to WifiTrackerLib, this object will be removed in the near
+ * future, please develop in
+ * {@link com.android.settings.wifi.details2.WifiPrivacyPreferenceController2}.
  */
 public class WifiPrivacyPreferenceController extends BasePreferenceController implements
         Preference.OnPreferenceChangeListener, WifiDialog.WifiDialogListener {