Fixing issue where shortcuts and widgets were not being removed when the package was uninstalled (Bug 2657997, Bug 6335843)

- Also fixes issue if we are dragging a shortcut/widget and it is removed.
- Also exposes App Info for shortcuts and widgets

Change-Id: I3bd5056f50f20e8b277dde6456df26eac815bcde
diff --git a/src/com/android/launcher2/LauncherModel.java b/src/com/android/launcher2/LauncherModel.java
index 37235e9..892faf0 100644
--- a/src/com/android/launcher2/LauncherModel.java
+++ b/src/com/android/launcher2/LauncherModel.java
@@ -1158,7 +1158,8 @@
                                 Launcher.sDumpLogs.add(log);
                                 itemsToRemove.add(id);
                             } else {
-                                appWidgetInfo = new LauncherAppWidgetInfo(appWidgetId);
+                                appWidgetInfo = new LauncherAppWidgetInfo(appWidgetId,
+                                        provider.provider);
                                 appWidgetInfo.id = id;
                                 appWidgetInfo.screen = c.getInt(screenIndex);
                                 appWidgetInfo.cellX = c.getInt(cellXIndex);