7074397: Build infrastructure changes (makefile re-write) Summary: New makefiles transition, old and new living side by side for now. Reviewed-by: ohair, jjg, dholmes, ohrstrom, erikj, ihse, tgranat, ykantser Contributed-by: ohrstrom <fredrik.ohrstrom@oracle.com>, erikj <erik.joelsson@oracle.com>, ihse <magnus.ihse.bursie@oracle.com>, tgranat <torbjorn.granat@oracle.com>, ykantser <yekaterina.kantserova@oracle.com>