Updated git submodules

Project: releng/builder master f1d2b69216c47de2f817551c3f5ac4a0b382dd19

Merge "Update CentOS7 Java Builder image"

Update CentOS7 Java Builder image

Update the Java Builder image to the latest for CSIT jobs.

https://lists.opendaylight.org/pipermail/release/2017-October/012736.html

Change-Id: I4abc3f0b186b9ba86fd9d87897a97dfc0610c566
Signed-off-by: Anil Belur <abelur@linuxfoundation.org>

diff --git a/docs/submodules/releng/builder b/docs/submodules/releng/builder
index 9ec64f474adcacf0406f4957413ae78991ede03c..f1d2b69216c47de2f817551c3f5ac4a0b382dd19 160000 (submodule)
--- a/docs/submodules/releng/builder
+++ b/docs/submodules/releng/builder
@@ -1 +1 @@
-Subproject commit 9ec64f474adcacf0406f4957413ae78991ede03c
+Subproject commit f1d2b69216c47de2f817551c3f5ac4a0b382dd19