Updated git submodules

Project: releng/builder master 3cc7eaa3efdeb8d7cebdac87f1aab7cb3e822387

Merge "Create baseline images for Ubuntu16.04 and Centos7"

Create baseline images for Ubuntu16.04 and Centos7

Packaging and builder jobs could simply use the baseline images
and does not require any extras.

Change-Id: I4ecb0df93990a53c61d7f9a2cd7e2887dbdf5cfa
Signed-off-by: Anil Belur <abelur@linuxfoundation.org>

diff --git a/docs/submodules/releng/builder b/docs/submodules/releng/builder
index dad7352c82de9817a78d2e46fea4c4372b5809db..3cc7eaa3efdeb8d7cebdac87f1aab7cb3e822387 160000 (submodule)
--- a/docs/submodules/releng/builder
+++ b/docs/submodules/releng/builder
@@ -1 +1 @@
-Subproject commit dad7352c82de9817a78d2e46fea4c4372b5809db
+Subproject commit 3cc7eaa3efdeb8d7cebdac87f1aab7cb3e822387