Notify a11y when view attached to parent

Bug: 73493821
Test: Verifying that vibration settings UI works
properly.

Change-Id: Id3c9e87fdd0ad5c49d8bd6e86b2c15977c9b09ca

core/java/android/view/ViewGroup.java

@@ -5692,6 +5692,7 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
         }
         dispatchVisibilityAggregated(isAttachedToWindow() && getWindowVisibility() == VISIBLE
                 && isShown());
+        notifySubtreeAccessibilityStateChangedIfNeeded();
     }
 
     /**