Update global-jjb to 0.37.4

Change-Id: I27a591593671a6ecd0425ee21157f85c897e9286
Signed-off-by: Anil Belur <abelur@linuxfoundation.org>

diff --git a/global-jjb b/global-jjb
index 343c22493055e0aa72968dc722c20a26bbbee725..b20fe1623e4297dcdbc8fdd7c690c4e1cee6a005 160000 (submodule)
--- a/global-jjb
+++ b/global-jjb
@@ -1 +1 @@
-Subproject commit 343c22493055e0aa72968dc722c20a26bbbee725
+Subproject commit b20fe1623e4297dcdbc8fdd7c690c4e1cee6a005