Merge "Exclude screen decoration overlay from transition participants" into udc-qpr-dev

        if (!isInTransientHide(wc)) {

            mSyncEngine.addToSyncSet(mSyncId, wc);

        }

        if (wc.asWindowToken() != null && wc.asWindowToken().mRoundedCornerOverlay) {

            // Only need to sync the transaction (SyncSet) without ChangeInfo because cutout and

            // rounded corner overlay never need animations. Especially their surfaces may be put

            // in root (null, see WindowToken#makeSurface()) that cannot reparent.

            return;

        }

        ChangeInfo info = mChanges.get(wc);

        if (info == null) {

            info = new ChangeInfo(wc);