BROADCAST FINALS ABC:  SHARK TANK lost 0.03 to 0.52, and 20/20 was down 0.08 to 0.41. CBS:  SWAT was steady at 0.46, FIRE COUNTRY gained 0.04 to 0.52, and BLUE BLOODS ticked up to 0.42. NBC:  LOPEZ VS LOPEZ rose 0.04 ...