Merge "Fix flickering when cancel cross activity animation." into udc-qpr-dev am: 672de429

        @Override

        public void onBackCancelled() {

            mProgressAnimator.onBackCancelled(CrossActivityAnimation.this::finishAnimation);

            mProgressAnimator.onBackCancelled(() -> {

                // mProgressAnimator can reach finish stage earlier than mLeavingProgressSpring,

                // and if we release all animation leash first, the leavingProgressSpring won't

                // able to update the animation anymore, which cause flicker.

                // Here should force update the closing animation target to the final stage before

                // release it.

                setLeavingProgress(0);

                finishAnimation();

            });

        }

        @Override