As someone who is already in Amazon and moved teams, I recommend you to keep your interviewing skills sharp, specially if you see that the project you're working on is going nowhere and might be cancelled. You wanna be ready to interview so that you don't get moved to a random team. I was in that situation and it really sucks. I had to start over getting used to interviewing, failing 2 or 3 interviews before I landed a job with another team. A really complicated time for me.