Fix issue with adding widget with config activity to empty screen (issue 11381059)

Change-Id: Ic7eecb30422e7a6cf35ebe8470d9eba8752d406e
diff --git a/src/com/android/launcher3/CellLayout.java b/src/com/android/launcher3/CellLayout.java
index bf1e9c9..df16d41 100644
--- a/src/com/android/launcher3/CellLayout.java
+++ b/src/com/android/launcher3/CellLayout.java
@@ -76,6 +76,7 @@
     private int mHeightGap;
     private int mMaxGap;
     private boolean mScrollingTransformsDirty = false;
+    private boolean mDropPending = false;
 
     private final Rect mRect = new Rect();
     private final CellInfo mCellInfo = new CellInfo();
@@ -332,6 +333,14 @@
         mShortcutsAndWidgets.setInvertIfRtl(invert);
     }
 
+    public void setDropPending(boolean pending) {
+        mDropPending = pending;
+    }
+
+    public boolean isDropPending() {
+        return mDropPending;
+    }
+
     private void invalidateBubbleTextView(BubbleTextView icon) {
         final int padding = icon.getPressedOrFocusedBackgroundPadding();
         invalidate(icon.getLeft() + getPaddingLeft() - padding,