No. You can head straight to the roof now and the droids would have to pursue you. There's only a pair (now one, after one of them just got wasted) standing guard outside the Separatist transport on the roof.
TC for short
"I like the sense of chaos this game provides. OOC, I like that I cannot know every available avenue, but that I can pursue whatever avenue I so choose. IC, I like that what I am doing has consequences. It's very very real." --Noedig