Check if a view can be recycled in async case.

When implementing the code, it seems this was forgotten :( If the view
id of the root of the RemoteViews is changed, currently, the top-level
view will be re-used, which is an error.

Bug: 181985606
Test: atest android.widget.cts.RemoteViewsRecyclingTest
Change-Id: I5a8addb08f597ec574e3ed49d1318771e4c7c767

core/java/android/appwidget/AppWidgetHostView.java

@@ -626,7 +626,7 @@ public class AppWidgetHostView extends FrameLayout {
 
         // If our stale view has been prepared to match active, and the new
         // layout matches, try recycling it
-        if (layoutId == mLayoutId && mView != null) {
+        if (remoteViews.canRecycleView(mView)) {
             try {
                 mLastExecutionSignal = remoteViews.reapplyAsync(mContext,
                         mView,

core/java/android/widget/RemoteViews.java

@@ -5795,7 +5795,7 @@ public class RemoteViews implements Parcelable, Filter {
         // across orientation change, and has the RemoteViews re-applied in the new orientation,
         // we throw an exception, since the layouts may be completely unrelated.
         if (hasMultipleLayouts()) {
-            if ((Integer) v.getTag(R.id.widget_frame) != rvToApply.getLayoutId()) {
+            if (!rvToApply.canRecycleView(v)) {
                 throw new RuntimeException("Attempting to re-apply RemoteViews to a view that" +
                         " that does not share the same root layout id.");
             }