Providing a metropolitan area affordable housing policy and certain related legislative goals; requiring the metropolitan council to adopt guidelines by a certain date to establish comprehensive choice housing in the metropolitan urban service area and freestanding growth centers, requiring the council to contract with the office of administrative hearings for public hearings to adopt the guidelines, specifying certain notice, hearing and guidelines requirements; requiring the council to develop a formula for allocating comprehensive choice housing needs to cities and towns within the metropolitan urban services area and to freestanding growth centers, requiring the formula to include certain factors(mk)