Update git submodules

* Update docs/submodules/multicloud/k8s.git from branch 'master'
  to 8af74ae61508a3fbfd54c25d1cfe037f3ad08ca5
  - Merge changes I56fb4643,Ia1e9802a

    * changes:
      Add etcd support in infrastructure layer
      Restructure code and create module library

  - Add etcd support in infrastructure layer

    Create a etcd client and provide minimal
    functionality needed by the orchestrator
    for using etcd

    Issue-ID: MULTICLOUD-871
    Signed-off-by: Ritu Sood <ritu.sood@intel.com>
    Change-Id: I56fb4643addf43cdc59366e7163b66bb1618876d

  - Restructure code and create module library

    Restructures and moves code to make it
    aligned with the current design.
    https://wiki.onap.org/display/DW/Multi+Cluster+Application+Scheduler
    examples/example_module.go shows how to
    import and use modules from this package.
    Patch#2 Updated example

    Issue-ID: MULTICLOUD-871
    Signed-off-by: Ritu Sood <ritu.sood@intel.com>
    Change-Id: Ia1e9802a946a07dcca8f79f0e2250933ab3efa66

diff --git a/docs/submodules/multicloud/k8s.git b/docs/submodules/multicloud/k8s.git
index e8e3cfc..8af74ae 160000 (submodule)
--- a/docs/submodules/multicloud/k8s.git
+++ b/docs/submodules/multicloud/k8s.git
@@ -1 +1 @@
-Subproject commit e8e3cfc3d3df008505520836fafc9920f5643ca6
+Subproject commit 8af74ae61508a3fbfd54c25d1cfe037f3ad08ca5