List Docker Repositories REST API call does not work for remote repositories

List Docker Repositories REST API call does not work for remote repositories ( it does not show cached docker images in the remote repository):

https://www.jfrog.com/confluence/display/RTF/Artifactory+REST+API#ArtifactoryRESTAPI-ListDockerRepositories

Steps to reproduce:
1. Pull some docker image, it will be cached in the docker-remote-cache
2. Run the above REST API command
3. You will get empty response although the image is cached:

{ "repositories": [] }