Like I said, the Bloomberg article states that Trump's advisors are publicly against the immigration policies that have fuel.
Secondly, his speech is from 8/31/2016. He has flip flopped on many issues already. For example he has taken a lot of his abortion rhetoric off his website.
And while his speech doesn't go into the details - the part about American jobs first is an attack on the h1b program which is what brings specialized talent to the US from other countries.
And while your speech is from 8/31. His advisor picks from from last week.