Upgrade global-jjb to get docker-job cron triggers

Signed-off-by: Lott, Christopher (cl778h) <cl778h@att.com>
Change-Id: I5f1dc7984be25d3aa6498e3089c79c3b6d0b039c

diff --git a/global-jjb b/global-jjb
index d88144f..b64ed08 160000 (submodule)
--- a/global-jjb
+++ b/global-jjb
@@ -1 +1 @@
-Subproject commit d88144f9f1d5a04989726ab5755c40db5cbc0803
+Subproject commit b64ed081a0e57c3b4f74947d48a1c226a1a6b54f