Moving widget reinflation to push model

Instead of checking every widget, a widget which needs reinflation
would post a callback on launcher avoiding unnecessary loops in onResume

Bug: 67305604
Change-Id: I53e08d6f4795f7b716a9debca5c0c68dd25a7afe

src/com/android/launcher3/PendingAppWidgetHostView.java

@@ -110,9 +110,7 @@ public class PendingAppWidgetHostView extends LauncherAppWidgetHostView
         mClickListener = l;
     }
 
-    @Override
-    public boolean isReinflateRequired(int orientation) {
-        // Re inflate is required any time the widget restore status changes
+    public boolean isReinflateIfNeeded() {
         return mStartState != mInfo.restoreStatus;
     }