Merge "Make sure Region handles invalid rectangles"

        const Region& lhs,

        const Rect& rhs, int dx, int dy)

{

    if (!rhs.isValid()) {

        LOGE("Region::boolean_operation(op=%d) invalid Rect={%d,%d,%d,%d}",

                op, rhs.left, rhs.top, rhs.right, rhs.bottom);

    }

#if VALIDATE_WITH_CORECG || VALIDATE_REGIONS

    boolean_operation(op, dst, lhs, Region(rhs), dx, dy);

#else