Update git submodules

* Update docs/submodules/portal.git from branch 'master'
  to d904fc786956891946e7bd92b559fdb98f62330f
  - UserRolesController methods up
    
    readExternalRequestAccess(), getUserAppCatalogRoles(),
    putAppWithUserRoleRequest(), testGetRoles(),
    importRolesFromRemoteApplication(), getUsersFromAppEndpoint() up
    
    Issue-ID: PORTAL-710
    Change-Id: I751d5e412ec85a1a65b0b7d43a023ce6a1915d91
    Signed-off-by: Dominik Mizyn <d.mizyn@samsung.com>
    
1 file changed