Google is rolling out a name change to their Drive application.  Here is an excerpt from the announcement.

"This change will not impact Team Drives functionality; it is simply a name change. Our users have told us that they use Team Drives for a lot more than sharing within teams, so “shared drives” makes it easier to understand how you could use them."

Read full announcement here: https://gsuiteupdates.googleblog.com/2019/04/shared-drives.html