Format as public/private; follow refactoring.

Offer to format an empty disk as public/private.

Bug: 19993667
Change-Id: I69fafaed524f3ef5e65d04a9e3a94789fcfc3087
diff --git a/src/com/android/settings/SettingsActivity.java b/src/com/android/settings/SettingsActivity.java
index ee2b1b4..5e1acb1 100644
--- a/src/com/android/settings/SettingsActivity.java
+++ b/src/com/android/settings/SettingsActivity.java
@@ -83,6 +83,7 @@
 import com.android.settings.dashboard.DashboardTile;
 import com.android.settings.dashboard.NoHomeDialogFragment;
 import com.android.settings.dashboard.SearchResultsSummary;
+import com.android.settings.deviceinfo.PrivateVolumeForget;
 import com.android.settings.deviceinfo.PublicVolumeSettings;
 import com.android.settings.deviceinfo.StorageSettings;
 import com.android.settings.deviceinfo.UsbSettings;
@@ -310,6 +311,7 @@
             TextToSpeechSettings.class.getName(),
             StorageSettings.class.getName(),
             PublicVolumeSettings.class.getName(),
+            PrivateVolumeForget.class.getName(),
             DevelopmentSettings.class.getName(),
             UsbSettings.class.getName(),
             AndroidBeam.class.getName(),