Update git submodules

* Update docs/submodules/aaf/certservice.git from branch 'master'
  to 1b3f9cbabdabe43588bcf8e3b92c89bd87272ef6
  - Fixed sonar issues in Split class and refactor it

    Removed unnecesary conversion: bouncle castle RDN -> String -> CertService RDN.
    Now it's: Bouncle castle RDN -> CertService RDN.
    Class Split rewritten on streams, tested.

    Signed-off-by: Michal Banka <michal.banka@nokia.com>
    Change-Id: I04e10fd6e4ab619124b93db7193c94f54b4b08ef
    Issue-ID: AAF-997

diff --git a/docs/submodules/aaf/certservice.git b/docs/submodules/aaf/certservice.git
index 4082234..1b3f9cb 160000 (submodule)
--- a/docs/submodules/aaf/certservice.git
+++ b/docs/submodules/aaf/certservice.git
@@ -1 +1 @@
-Subproject commit 4082234ea6ee3dd48a8418837a9bc127dec9eb36
+Subproject commit 1b3f9cbabdabe43588bcf8e3b92c89bd87272ef6