Fix puller callback with gauge/value metric

Allows gauge/value metrics to work with pulled atoms that were
registered after the config was received.

Test: gts
Bug: 130314103
Change-Id: I9cddd28efd464d8bb78da868d8c0d850ffb0235c
3 files changed
tree: e6b9df13218d7ce5a224ab7078763675999d9e31
  1. bin/