Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 1852a85bb287e3316c7917a18ea3125821026ec9
  - Merge "Removed unused CryptoHandler, ICryptoHandler and CryptoHandlerTest classes"
  - Removed unused CryptoHandler, ICryptoHandler and
    CryptoHandlerTest classes

    Issue-ID: SO-1841
    Signed-off-by: Oleksandr Moliavko <o.moliavko@samsung.com>
    Change-Id: I944ae9b49326257b6ddfe94687c3241e91af4de9

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 94aca10..1852a85 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 94aca1037c7934effe6f9e8b9dcad2e6633b34e9
+Subproject commit 1852a85bb287e3316c7917a18ea3125821026ec9