Definitions of LUCI entities that only exist for the master branch.

• consoles
  • manually curated consoles for chromium subproject builders
• ci.star
  • builders that do post-submit testing against the master branch
  • when new milestones are created, milestone-specific versions of the builders will not be created
• try.star, gpu.try.star, swangle.try.star
  • builders that do pre-submit testing against the master branch
  • when new milestones are created, milestone-specific versions of the builders will not be created