[services] OPSAPS-12686 Add python client binding for Migrate Roles command
[services] OPSAPS-12686 Add python client binding for Migrate Roles command

This commit adds a python client binding for the Migrate Roles command.
This command is available from the hosts endpoint.

cdapio/cm_api,cloudera/cm_api,cloudera/cm_api,cdapio/cm_api,cdapio/cm_api,cloudera/cm_api,cdapio/cm_api