Upgrade global-jjb to v0.50.0

Change-Id: I84d340f21610006dfd632f5a4a4aaa4c4350dbc3
Signed-off-by: Vanessa Rene Valderrama <[email protected]>

diff --git a/global-jjb b/global-jjb
index 93a86e0..0bc70d1 160000 (submodule)
--- a/global-jjb
+++ b/global-jjb
@@ -1 +1 @@
-Subproject commit 93a86e0271fa5fd4d1280007289e842edc558653
+Subproject commit 0bc70d1762dc88b90d4f9aa99a2f3bbf2b55b078