Upgrade global-jjb to v0.52.0-16-g58776ad

Pick up adjustments to jjb-verify's build-node checker

Signed-off-by: Lott, Christopher (cl778h) <cl778h@att.com>
Change-Id: I83c93fbcf36a652df1b20938d57e12c14e9f789a

diff --git a/global-jjb b/global-jjb
index 5c0ab82..58776ad 160000 (submodule)
--- a/global-jjb
+++ b/global-jjb
@@ -1 +1 @@
-Subproject commit 5c0ab82a3e6479cf0ac2a34e97503a0af4c19fde
+Subproject commit 58776ad5961580fcdc1cc56a9309e9da52e7673c