Remove no-op handlePerferenceTreeClick from PrefControllers

Bug: 33429853
Test: RunSettingsRoboTests
Change-Id: I5633953e3d7b07f9006e541b96a24a2a769e2686

src/com/android/settings/deviceinfo/AdditionalSystemUpdatePreferenceController.java

@@ -28,11 +28,6 @@ public class AdditionalSystemUpdatePreferenceController extends PreferenceContro
         super(context);
     }
 
-    @Override
-    public boolean handlePreferenceTreeClick(Preference preference) {
-        return false;
-    }
-
     @Override
     public boolean isAvailable() {
         return mContext.getResources().getBoolean(

src/com/android/settings/deviceinfo/ManageStoragePreferenceController.java

@@ -34,11 +34,6 @@ public class ManageStoragePreferenceController extends PreferenceController {
         return KEY_MANAGE_STORAGE;
     }
 
-    @Override
-    public boolean handlePreferenceTreeClick(Preference preference) {
-        return false;
-    }
-
     @Override
     public boolean isAvailable() {
         return mContext.getResources().getBoolean(R.bool.config_storage_manager_settings_enabled);

src/com/android/settings/deviceinfo/SerialNumberPreferenceController.java

@@ -55,11 +55,6 @@ public class SerialNumberPreferenceController extends PreferenceController {
         }
     }
 
-    @Override
-    public boolean handlePreferenceTreeClick(Preference preference) {
-        return false;
-    }
-
     @Override
     public String getPreferenceKey() {
         return KEY_SERIAL_NUMBER;