Update git submodules

* Update docs/submodules/oom/offline-installer.git from branch 'master'
  to b7f4912590d581d2a2e77e0126a487f428e8e5bd
  - Merge "Extending molecule test to playbooks"
  - Extending molecule test to playbooks

    Review should also execute molecule tests for ansible/test/play-xxx when anything in /ansible/test has been changed

    Change-Id: I9a106a1c141b1053db6ac892e2dcecd4e646fd5b
    Issue-ID: OOM-1801
    Signed-off-by: Mateusz Pilat <m.pilat@partner.samsung.com>

diff --git a/docs/submodules/oom/offline-installer.git b/docs/submodules/oom/offline-installer.git
index f57c79c..b7f4912 160000 (submodule)
--- a/docs/submodules/oom/offline-installer.git
+++ b/docs/submodules/oom/offline-installer.git
@@ -1 +1 @@
-Subproject commit f57c79c20558284dc3515eba0e229b1661a33e90
+Subproject commit b7f4912590d581d2a2e77e0126a487f428e8e5bd