Update git submodules

* Update docs/submodules/oom/offline-installer.git from branch 'master'
  to 46dc38b25163acf2edd2174a48645353f56c4f15
  - Merge "Updating docker image list for 3.0.2"
  - Updating docker image list for 3.0.2

    Updated docker image list based on Casablanca MR 3.0.2-ONAP

    Issue-ID: OOM-1802

    Change-Id: I748d5c2d69c0158b89beecb8d3a5ac49262196d4
    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 891b8dd..46dc38b 160000 (submodule)
--- a/docs/submodules/oom/offline-installer.git
+++ b/docs/submodules/oom/offline-installer.git
@@ -1 +1 @@
-Subproject commit 891b8dd0663475ec6f37be8ce0f45f897540fab2
+Subproject commit 46dc38b25163acf2edd2174a48645353f56c4f15