Summary: jknoxville helped me debug this. The underlying problem was that we didn't include a dependency which is transitive in gradle land. We swallowed the exception and just returned an empty list. I left an error log in there to make future debugging easier. For reference, this was the error:
Reviewed By: cekkaewnumchai
Differential Revision: D23759727
fbshipit-source-id: 244510d2765913bf4c89458e336889c3c6838fc4
ddc9c3e243