Update git submodules

* Update docs/submodules/armband from branch 'stable/fraser'
  - u/fuel: Bump & rebase for upstream ODL leveldbjni

    JIRA: ARMBAND-387

    Change-Id: Id24c15f7390bb63b6c422f1da8548effd5aa885a
    Signed-off-by: Alexandru Avadanii <Alexandru.Avadanii@enea.com>
    (cherry picked from commit 4270458ba464057578f2bbc7360fb8d0f8fa89cc)

diff --git a/docs/submodules/armband b/docs/submodules/armband
index 0de669e..ad3a33f 160000 (submodule)
--- a/docs/submodules/armband
+++ b/docs/submodules/armband
@@ -1 +1 @@
-Subproject commit 0de669e26d14794ab117e915abaa6bf6b1dd878d
+Subproject commit ad3a33fef5ed57e561e86857b2c4fb4c197d8f67