Merge change 22452 into eclair

    protected void onSizeChanged(int w, int h, int ow, int oh) {

        super.onSizeChanged(w, h, ow, oh);

        // Center zooming to the center of the screen.

        if (mZoomScale == 0) { // unless we're already zooming

            mZoomCenterX = getViewWidth() * .5f;

            mZoomCenterY = getViewHeight() * .5f;

        }

        // update mMinZoomScale if the minimum zoom scale is not fixed

        if (!mMinZoomScaleFixed) {