Updated git submodules

Project: msb/apigateway master af9cc5cbef5849e23a89f1655093f170b4004cc4

Merge "Add proxy support to build msb_base"

Add proxy support to build msb_base

The process to create msb_base docker image doesn't support builds
behind a corporate proxy. The addition of respective support can
be benefitial for those developers who work inside of corporate
networks.

Change-Id: Id9201a7298748d2c3e1cc58b95f1516aa8b0bec0
Signed-off-by: Victor Morales <victor.morales@intel.com>
Issue-ID: MSB-100

diff --git a/docs/submodules/msb/apigateway.git b/docs/submodules/msb/apigateway.git
index c7cfc2c..af9cc5c 160000 (submodule)
--- a/docs/submodules/msb/apigateway.git
+++ b/docs/submodules/msb/apigateway.git
@@ -1 +1 @@
-Subproject commit c7cfc2c1a8b89815772191459ca6179827aba147
+Subproject commit af9cc5cbef5849e23a89f1655093f170b4004cc4