Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to 533eb74d88fef53ce652e97c1251dac63f392760
  - Add unit test for PackageInvalidErrorBuilder
    
    Issue-ID: SDC-2327
    Signed-off-by: Marcin Kowalski <m.kowalski3@partner.samsung.com>
    Change-Id: I3ca7aa5ac07acd472e9ddd359e74064bf29186c0
    
1 file changed