private void doAnimationBackToFront(float fraction, float fractionInterpolated) {
        mTransformerToFront.transformAnimation(mCardToFront.view,
                fraction, mCardWidth, mCardHeight, mPositionToFront, 0);
        if (mAnimInterpolator != null) {
            mTransformerToFront.transformInterpolatedAnimation(mCardToFront.view,
                    fractionInterpolated, mCardWidth, mCardHeight, mPositionToFront, 0);
        }
        doAnimationZIndex(mZIndexTransformerToFront, mCardToFront, fraction, fractionInterpolated,
                mPositionToFront, 0);
    }
do animation for card moving from back to front

@param fraction             animation progress from 0.0f to 1.0f
@param fractionInterpolated interpolated animation progress
infinite-cards/src/main/java/com/bakerj/infinitecards/CardAnimationHelper.java