am 6da9c322: Fix null pointer exception in WidgetsModel

* commit '6da9c32204347d0980d3e76a5ff03bc3431b49a7':
  Fix null pointer exception in WidgetsModel
diff --git a/src/com/android/launcher3/widget/WidgetsModel.java b/src/com/android/launcher3/widget/WidgetsModel.java
index 1447bef..71a7b94 100644
--- a/src/com/android/launcher3/widget/WidgetsModel.java
+++ b/src/com/android/launcher3/widget/WidgetsModel.java
@@ -71,8 +71,10 @@
         // Temporary list for {@link PackageItemInfos} to avoid having to go through
         // {@link mPackageItemInfos} to locate the key to be used for {@link #mWidgetsList}
         HashMap<String, PackageItemInfo> tmpPackageItemInfos = new HashMap<>();
+
         // clear the lists.
         mWidgetsList.clear();
+        mPackageItemInfos.clear();
 
         // add and update.
         for (Object o: widgetsShortcuts) {