Summary: This diff checks in the OSS view manager interfaces and delegates generated by the JS codegen. This is a temporary workaround since we don't have the JS codegen running in open source.
Reviewed By: fkgozali
Differential Revision: D17104816
fbshipit-source-id: 848afc081785c9a78891d3dc0740ebe858eb8891
Oleksandr Melnykov