Fix incorrect url request for share group type extra specs

The url request should be change as below:

for single extra spec
---------------------
"group-types/%s/group_specs/%s" => "share-group-types/%s/group-specs/%s"

for all extra specs
-------------------
"share-group-types/%s/group_specs" => "share-group-types/%s/group-specs"

Closes-Bug: #1998088
Change-Id: I027460222b7d34bb7ad00408739ab00207be0386
3 files changed