Removing Launcher dependency from Folders

This allows opening/closing folders without a Launcher context

Bug: 187353581
Test: Manual
Change-Id: Id73a40445a23004eb554f0422d286aa0ff6b3c41
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 92d1b11..ece0eb4 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -124,6 +124,7 @@
 import com.android.launcher3.dragndrop.DragLayer;
 import com.android.launcher3.dragndrop.DragOptions;
 import com.android.launcher3.dragndrop.DragView;
+import com.android.launcher3.dragndrop.LauncherDragController;
 import com.android.launcher3.folder.FolderGridOrganizer;
 import com.android.launcher3.folder.FolderIcon;
 import com.android.launcher3.icons.BitmapRenderer;
@@ -428,7 +429,7 @@
         mIconCache = app.getIconCache();
         mAccessibilityDelegate = createAccessibilityDelegate();
 
-        mDragController = new DragController(this);
+        mDragController = new LauncherDragController(this);
         mAllAppsController = new AllAppsTransitionController(this);
         mStateManager = new StateManager<>(this, NORMAL);