The startup tells TechCrunch it has closed a $170 million Series B round led by Andreessen Horowitz and Kleiner Perkins with participation from Katie Haun’s new fund and Lightspeed partner Nicole Quinn. This comes on the heels of a Series A round co-led by 01A and Velvet Sea Ventures that closed this past July. The raise adds three new members to the board, including Haun, a16z’s Arianna Simpson and Kleiner …