I thought this as well. They have. This is Androids answer to Apple Music.
edit: This also seemingly posted from a shelf account. Front page on HN, account 530+ days old, 0 comments, 0 posts.
Reads like an acquisition. I am not sure what to make of this as it could be a total coincidence that after a year and a half dmichel was really interested in spotify's backend migration, but either way I wouldn't be surprised if google is going to purchase or bid for it.
Maybe spotify moved unilaterally and is trying to position itself, could be a thouyght as well.