Merge \"Guard against null object in scheduleNotifyUpdateAppWidgetLocked\" into nyc-mr1-dev

am: 26504a611a

Change-Id: I91941346d3e376dd2813bcbb0b6f6fbd1cc5357f

services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java

@@ -1905,7 +1905,7 @@ class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBacku
         SomeArgs args = SomeArgs.obtain();
         args.arg1 = widget.host;
         args.arg2 = widget.host.callbacks;
-        args.arg3 = updateViews.clone();
+        args.arg3 = (updateViews != null) ? updateViews.clone() : null;
         args.arg4 = requestTime;
         args.argi1 = widget.appWidgetId;