The 'work' package pattern will resolve to the set of packages in the
work (formerly called main) modules. It's essentially 'all', but without
the dependencies. And the implementation is similar to that of 'all',
except that we don't expand to the dependencies.
Fixes #71294
Change-Id: I3d02beb74fa4e5c6de2290e24eedc51745d13080
Reviewed-on: https://go-review.googlesource.com/c/go/+/643235 Reviewed-by: Alan Donovan <adonovan@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>