No.
Sheesh, one track minds.
The lube was smeared on the alien costume, by an excited "Nancy" chap, for want of a better word. According to the cast in the extra features. From memory Veronica Cartwright does the impression.
In the commentary Ridley Scott clearly points out that what erupts from Ash's neck is supposed to be milk, though they actually used white water to avoid spoiling, as Ash had been drinking milk often.
He is seen drinking milk in the film, likely a few times, though I haven't checked.
I suspect the white blood in Aliens helped with the underlying story/s. And they just thought most people probably assumed it was synthetic blood/oil.
Actually Scott also says he's half to two thirds human, a replicant.
Actually there are noodles in his neck, so he probably had a noodle brain.
I believe, unless Cameron's team were incompetent, the white blood is in Aliens for a definite reason. And just carried to alien 3 by the fact Bishop is in it.
I'll try to check on it at some point.