Gcov Viewer Older

Show code coverage data generated with older version of gcov for C or C++ langages in VS Code.

Background

• Compatiable for plugin Gcov Viewer in VSCode.
• Call gcov command with --branch-probabilities --long-file-names options and tranform the gcov files to gcov-9 json format.
• Update the gcovViewer.gcovBinary configuration with the extension command.