Update git submodules

* Update docs/submodules/portal.git from branch 'master'
  to 19155f5cde7703be3449050b57d90554836271af
  - Merge "Portal Spring Boot Development"
  - Portal Spring Boot Development
    
    LanguageController AOP, Tests Up
    
    Issue-ID: PORTAL-710
    Change-Id: Ib02651e42eac7273d288a4e34ee8671b21b0b970
    Signed-off-by: Dominik Mizyn <d.mizyn@samsung.com>
    
1 file changed