Merge "Fix restoring of layer type" into ub-launcher3-calgary

src/com/android/launcher3/folder/Folder.java

@@ -577,7 +577,7 @@ public class Folder extends LinearLayout implements DragSource, View.OnClickList
                 @Override
                 public void run() {
                     mContentWrapper.setLayerType(LAYER_TYPE_NONE, null);
-                    mContentWrapper.setLayerType(LAYER_TYPE_NONE, null);
+                    mFooter.setLayerType(LAYER_TYPE_NONE, null);
                 }
             };
         }