Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Update global-jjb to v0.35.0"
  - Update global-jjb to v0.35.0

    Also: Add missing throttle options

    Change-Id: Ia848fae98d29eba122f4bcff7389174b8f550b4a
    Signed-off-by: Aric Gardner <agardner@linuxfoundation.org>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index b81771b..1cc08f8 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit b81771b19e2b7a80d81cdf3490dfc5431ad202e5
+Subproject commit 1cc08f8cfc2cd8fb7d73bd5d0cd87c4b906b84a7