Merge "Add missing checkThread"

am: fdb8dfdadf

Change-Id: Iabcd28a4c3fa659c92b392573158dd5025ed8c37

core/java/android/view/ViewRootImpl.java

@@ -1256,6 +1256,7 @@ public final class ViewRootImpl implements ViewParent,
 
     @Override
     public void onDescendantInvalidated(@NonNull View child, @NonNull View descendant) {
+        checkThread();
         if ((descendant.mPrivateFlags & PFLAG_DRAW_ANIMATION) != 0) {
             mIsAnimating = true;
         }