Merge "Clear test rectangle if previous focus is null." into jb-mr2-dev

            // requestChildRectangleOnScreen() call (in which case 'rectangle'

            // is non-null and we just want to scroll to whatever that

            // rectangle is).

            View focus = mView.findFocus();

            final View focus = mView.findFocus();

            if (focus == null) {

                return false;

            }

            View lastScrolledFocus = (mLastScrolledFocus != null) ? mLastScrolledFocus.get() : null;

            if (lastScrolledFocus != null && focus != lastScrolledFocus) {

            if (focus != lastScrolledFocus) {

                // If the focus has changed, then ignore any requests to scroll

                // to a rectangle; first we want to make sure the entire focus

                // view is visible.

                // as they are.

                if (DEBUG_INPUT_RESIZE) Log.v(TAG, "Keeping scroll y="

                        + mScrollY + " vi=" + vi.toShortString());

            } else if (focus != null) {

            } else {

                // We need to determine if the currently focused view is

                // within the visible part of the window and, if not, apply

                // a pan so it can be seen.