Update git submodules

* Update docs/submodules/oom.git from branch 'master'
  to 97ff31b6cf9384401042d223902c9d5078657627
  - Merge "[POLICY] Remove hardcoded credentials from policy-distribution"
  - [POLICY] Remove hardcoded credentials from policy-distribution

    This patch remove hardcoded healthcheck credentials from
    policy-distribution.

    Issue-ID: OOM-2342
    Signed-off-by: Dominik Mizyn <d.mizyn@samsung.com>
    Change-Id: I7c71fcceab030bd7858e8de9fe3f58451ac505d6
    [Fix init container]
    Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com>

diff --git a/docs/submodules/oom.git b/docs/submodules/oom.git
index 1b8e5ab..97ff31b 160000 (submodule)
--- a/docs/submodules/oom.git
+++ b/docs/submodules/oom.git
@@ -1 +1 @@
-Subproject commit 1b8e5ab5581c078ae732f844304162de1f05a320
+Subproject commit 97ff31b6cf9384401042d223902c9d5078657627