Update git submodules

* Update docs/submodules/oom/offline-installer.git from branch 'master'
  to a16fa6022a3bc2bf3a906a722f6fed6c74e5fd88
  - Merge "Skip annoying message if config.json not exists"
  - Skip annoying message if config.json not exists

    Preventing messages showing in case of non existing config.json file

    Issue-ID: OOM-2077

    Change-Id: Ifb38495d93934b2015893d2c1fc62ec4d480171b
    Signed-off-by: Tomáš Levora <t.levora@partner.samsung.com>

diff --git a/docs/submodules/oom/offline-installer.git b/docs/submodules/oom/offline-installer.git
index d761d32..a16fa60 160000 (submodule)
--- a/docs/submodules/oom/offline-installer.git
+++ b/docs/submodules/oom/offline-installer.git
@@ -1 +1 @@
-Subproject commit d761d32ea7c87b47f25398afa9ac4e86b43e82bc
+Subproject commit a16fa6022a3bc2bf3a906a722f6fed6c74e5fd88