Fix parsing of BRDA lines in LcovParser

Fixes the interpretation of the "-" in a BRDA line (meaning the branch
was never executed, as opposed to executed but never taken) and fixes
the internal SourceFileCoverage abstraction to account for the fact that
multiple BRDA statements will occur for the same line.

Based on the PR https://github.com/bazelbuild/bazel/pull/10708 but does
not include any changes for the Java code coverage generator.

Fixes #11051

Closes #11899.

PiperOrigin-RevId: 325419922
9 files changed
tree: ba3a3a00cca82ca0f4a8e376b9123023ba9d6908
  1. .bazelci/
  2. examples/
  3. scripts/
  4. site/
  5. src/
  6. third_party/
  7. tools/
  8. .bazelrc
  9. .gitattributes
  10. .gitignore
  11. AUTHORS
  12. BUILD
  13. CHANGELOG.md
  14. CODEOWNERS
  15. combine_distfiles.py
  16. combine_distfiles_to_tar.sh
  17. compile.sh
  18. CONTRIBUTING.md
  19. CONTRIBUTORS
  20. distdir.bzl
  21. ISSUE_TEMPLATE.md
  22. LICENSE
  23. README.md
  24. WORKSPACE
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