Separate osquery/extensions:extensions into extensions, interface, thrift_impl (#5466)
Separate osquery/extensions:extensions into extensions, interface, thrift_impl (#5466)

Summary:
Pull Request resolved: https://github.com/facebook/osquery/pull/5466

To be able to use other implementation (like `fbthrift_impl.cpp`) instead of `thrift_impl.cpp`, if required.

Reviewed By: marekcirkos

Differential Revision: D14208053

fbshipit-source-id: ba379ea85fc66deef517763eaca896e88729d68e

hackgnar/osquery,hackgnar/osquery,hackgnar/osquery