Make Chooser 4-column on tablets

Apparently, there's a difference between tablets and (some?) foldable
devices in terms of how many columns Chooser should have. There's no
distinction resources-wise between the two.
All-apps in Launcher uses DeviceProfile for the column number, we could
use it as well, potentially.
Meanwhile here's the simplest fix.

Fix: 193648099
Test: manual testing
Change-Id: I149dfb45f7bbebee508114288688ad14ca088f57