Eccho represents Sony Pictures Television titles; ViacomCBS commissions Artemesia Gentileschi series; Channel 4 revives “Changing Rooms”; and Cake sells “Tish Tash.”Sweden-based global distributor Eccho Rights has agreed an exclusive representation deal with Sony Pictures Television that includes 15 titles from all over the world.The titles that are part of this deal are “Leverage” (South Korea), “Crane in the Sky,” “Midwives” (Russia), “Friday on My Mind,” “Love Child” (Australia), “Hugo El