Fix launcher2 crash.  We weren't initializing the list of folders.  Bug 2210545.
diff --git a/src/com/android/launcher2/Launcher.java b/src/com/android/launcher2/Launcher.java
index 36d7da1..6cccb77 100644
--- a/src/com/android/launcher2/Launcher.java
+++ b/src/com/android/launcher2/Launcher.java
@@ -66,6 +66,7 @@
 import android.appwidget.AppWidgetProviderInfo;
 
 import java.util.ArrayList;
+import java.util.Map.Entry;
 import java.util.HashMap;
 import java.io.DataOutputStream;
 import java.io.FileNotFoundException;
@@ -1841,7 +1842,8 @@
     /**
      * Implementation of the method from LauncherModel.Callbacks.
      */
-    void bindFolders(HashMap<Long, FolderInfo> folders) {
+    public void bindFolders(HashMap<Long, FolderInfo> folders) {
+        mFolders.clear();
         mFolders.putAll(folders);
     }