Upgrade to global-jjb v0.39.0

Change-Id: Ie56b1b429f8ea70fbb523b262de88a6c83d9992a
Signed-off-by: Andrew Grimberg <agrimberg@linuxfoundation.org>

diff --git a/global-jjb b/global-jjb
index ae55fc7..a9f5f8a 160000 (submodule)
--- a/global-jjb
+++ b/global-jjb
@@ -1 +1 @@
-Subproject commit ae55fc7cc2d4d29f6cfe63f5294ec8bd97d15479
+Subproject commit a9f5f8aaf51591abfd95ba5cb0a437971bdacb11