Imports

• go.chromium.org/chromiumos/infra/proto/go/device
• go.chromium.org/chromiumos/infra/proto/go/lab
• go.chromium.org/luci/common/errors
• go.chromium.org/luci/gae/service/datastore
• go.chromium.org/luci/server/auth

Standard library Imports

• context
• fmt
• infra/cros/lab_inventory/utils
• sort
• time