Fix: Upgrade global-jjb to v0.90.7

This is in order to fetch the fix for jenkins-verify-images.sh

Change-Id: Ie8ed34f896c6b3c6f8564235b9448735fb27852d
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>

diff --git a/global-jjb b/global-jjb
index 8901fe0..d17628c 160000 (submodule)
--- a/global-jjb
+++ b/global-jjb
@@ -1 +1 @@
-Subproject commit 8901fe0bee2fecb6b32accffd9f952d46da59a38
+Subproject commit d17628c0be0e89488f1da714a7b3f8ca1e19c419