Add routing.router_groups.read scope to gorouter UAA client
Add routing.router_groups.read scope to gorouter UAA client

[#143355551]

Signed-off-by: Edwin Xie <6bc24e9c160281972837d9e13287696d26612564@pivotal.io>
Signed-off-by: Jonathan Berkhahn <8cee8fadf1c8e6e3ca6f5e7d5617d96aa76b918c@us.ibm.com>

cloudfoundry/cf-deployment,cloudfoundry/cf-deployment,emalm/cf-deployment