Implement C++ Starlark API

[oquenchil]

Description of the problem / feature request:

The API should expose to Skylark from Java the logic for the creation of compilation and linking actions.

Feature requests: what underlying problem are you trying to solve with this feature?

The main problem to solve is inter-operability between different rules/languages that have dependencies on C++ code.

Design doc:https://docs.google.com/document/d/1cRRdHOPTTUXBbq9Cj9hk_WLnPqsGtAoQynYd7TKBQI8/edit?disco=AAAACkgMw7E