A week after its heralded and highly-rated return to late night, “ Jimmy Kimmel Live! ” headed to Brooklyn for a week’s worth of shows — and continued to lead late night in total viewers and adult 18-49. According to ABC, “Jimmy Kimmel Live!” averaged 2.2 million viewers and a 0.22 rating with adults 18-49 for the week of Sept. 29. That put it ahead of time period competitors “The Late Show With Stephen Colbert” (1.96 million viewers, 0.13 adults 18-49) and “The Tonight Show Starring Jimmy