Hide UserRole from public interface

All commands added using API executed as Owner's commands.

BUG:24267885
Change-Id: I296e9503cac07d84664941278ffb56f79f695fb0
Reviewed-on: https://weave-review.googlesource.com/1225
Reviewed-by: Alex Vakulenko <avakulenko@google.com>
7 files changed
tree: ef69da7441d0bf941981f43e1f2d9ae404287971
  1. libweave/