Windows, launcher: support python/bash toolchain

Previously, we assume the python/bash binary path passed to the launcher is an absolute path specified by `--python_path` or `--shell_executable`, but this is not true when using python/shell toolchain. When using the python toolchain, the given python binary path will be a runfile path, we can use `Rlocation` to find the absolute path.

Fixes https://github.com/bazelbuild/bazel/issues/7947

Closes #8440.

PiperOrigin-RevId: 250569171
2 files changed
tree: 1a6afd5e2a7099cc567d34870014c173c4cd9c71
  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
README.md

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