[ermine] Defines nullSpec to hide a status entry.

QuickUi services can return nullSpec, which is used to hide the UI
for the service. This can come in handy for services which need to
go away because some underlying dependency is gone. Ex: No bluetooth
device to disconnect.

Change-Id: I7a9639203b4dd08308190394df997ef14bd2c3d8
3 files changed
tree: 947e58ea6405dc0c94cc107836ece86873812328
  1. base_shells/
  2. benchmarks/
  3. bin/
  4. examples/
  5. keyboard/
  6. lib/
  7. session_shells/
  8. settings/
  9. story_shells/
  10. tests/
  11. .gitignore
  12. analysis_options.yaml
  13. AUTHORS
  14. BUILD.gn
  15. CONTRIBUTING.md
  16. LICENSE
  17. OWNERS
  18. PATENTS
  19. README.md
README.md

Fuchsia Open Source Template Repository

This repository is a template that we will use when creating new open source repositories for Fuchsia.