[diagnostics][sampler] Increase test Reader timeout

Reader has a default timeout of 10 sec for a component to
supply Inspect data. For tests in emu, this is sometimes
exceeded and causes flakes.

This CL adds a for-test config to Sampler that tells the
Reader to have an infinite timeout.

As part of this, SamplerConfig is changed to a builder
pattern so that other code which uses SamplerConfig won't
have to change in the future every time we add a config option.

This CL also adds a check to the tests to make sure the
"single-counter" test component is publishing Inspect data
before Sampler tries to read it.

Fixed: b/320697654

Multiply: sampler-integration-tests

Change-Id: If8958bdbab5cfbb3d542f3297d5f561426cf680a
Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1002323
Reviewed-by: Bruno Dal Bo <brunodalbo@google.com>
Reviewed-by: Miguel Flores <miguelfrde@google.com>
Commit-Queue: Chris Phoenix <cphoenix@google.com>
12 files changed
tree: b682b0a367eaf89d6103ae2ef01ebe47dc1703c3
  1. boards/
  2. build/
  3. bundles/
  4. docs/
  5. examples/
  6. infra/
  7. products/
  8. scripts/
  9. sdk/
  10. src/
  11. third_party/
  12. tools/
  13. zircon/
  14. .clang-format
  15. .clang-tidy
  16. .editorconfig
  17. .git-blame-ignore-revs
  18. .gitattributes
  19. .gitignore
  20. .gitmodules
  21. .gn
  22. .ignore
  23. analysis_options.yaml
  24. AUTHORS
  25. BUILD.gn
  26. CODE_OF_CONDUCT.md
  27. CONTRIBUTING.md
  28. fuchsia.code-workspace
  29. LICENSE
  30. OWNERS
  31. PATENTS
  32. pyproject.toml
  33. pyrightconfig.json
  34. README.md
  35. rustfmt.toml
  36. shac.star
  37. shac.textproto
README.md

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