Summary:
This project was still using the legacy Gradle's "apply:" syntax
to apply Gradle Plugins. I'm changing it here to use instead the
`plugins{}` block as it make easier to apply other plugins for publishing later.
Reviewed By: mdvacca
Differential Revision: D46330014
fbshipit-source-id: 5483a717a62d5ab76749026c5203dc96a35d73e7