I suppose there is a way Google could turn like Apple, but I personally don't see that happening. Google has and still does run their operation in any way but the same as Apple.
While still far to early to say much I think this could be a really good thing for Android. First Motorola holds a ton of patents tied to mobile phones, having this at Google's disposal is priceless. Second, Apple has been on a rampage to throw out lawsuits to anyone and everyone that Android related (except Google directly). They even have lawsuits against Motorola. Google has time and time again said they will help protect any company Apple throws lawsuits at. This means now if Apple wants to play the lawsuit game they are going to have to do it with the biggest dog of them all... Google. The most recent and funny Apple lawsuit I've seen, is against Samsung because their 10.1 tablet kinda, might look like the ipad and confuse consumers.
To think Android might turn out like Apple is in my opinion laughable at the current state. Android has been open since the start (Apple doesn't even know what "open" means). To think Google is suddenly going to change this is far fetched IMO.
In fact Google encourages manufactures to unlock their phones, something Motorola doesn't do - so this could be a win for us users... unlocked bootloaders on Motorola phones. Prime example are the Nexus phones Google releases!
Right now Android has twice the market share than what Apple does and did it in far less time it took Apple to over throw Blackberry. In my opinion if Google wanted to change their ways to mimic Apple they could have done this long ago and still been ahead of Apple. Who knows though what will happen in the future, but for the current moment I see this as a good thing for Android and it looks like the other companies such as Sumsung, HTC and LG are all supportive of the deal as well.