Merge changes Ide2567b2,I0ee0ce92,Iac3f55af

* changes:
  Fix a bug where callbacks would see blips
  Fix a bug where a request would not be refcounted
  Fix a bug where UID ranges would not be removed
tree: c9d372d75935993e0344440c7494883227607454
  1. core/
  2. framework/
  3. service/
  4. services/
  5. tests/
  6. OWNERS