Directly include log level definitions
Directly include log level definitions

We encountered a build issue when the log level defitions haven't been
included directly. Perhaps it's a subtle transitive include issue.
Regardless, it's always prudent to include all headers directly where
they are used.

DavadDi/actor-framework,DavadDi/actor-framework,DavadDi/actor-framework,DavadDi/actor-framework,actor-framework/actor-framework,actor-framework/actor-framework,actor-framework/actor-framework,actor-framework/actor-framework