Fixing drag outline positions for folder over hotseat

Bug: 22506247
Change-Id: Ia2508307554089205fd678987454e81cb811a59b
(cherry picked from commit 92bce43164)

src/com/android/launcher3/Workspace.java

@@ -2276,6 +2276,8 @@ public class Workspace extends PagedView
             dragRect = new Rect(left, top, right, bottom);
         } else if (child instanceof FolderIcon) {
             int previewSize = grid.folderIconSizePx;
+            dragVisualizeOffset = new Point(-padding.get() / 2,
+                    padding.get() / 2 - child.getPaddingTop());
             dragRect = new Rect(0, child.getPaddingTop(), child.getWidth(), previewSize);
         }