[roll] Roll fuchsia [gndoc] Update GN build arguments documentation

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1247025
Original-Revision: ebd35cad191facdb840bcf42353444231f9a53aa
GitOrigin-RevId: b602ed7c25fa06e4c4515e1236d1123c44fdb19f
Change-Id: Ie25b5e32edddebe6a59313417d5f1bb988241968
diff --git a/stem b/stem
index c897c41..c7771f8 100644
--- a/stem
+++ b/stem
@@ -11,7 +11,7 @@
              githooks="integration/git-hooks"
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="b1eb5693272e849a89d9bee06050e3ebb3765e76"
+             revision="ebd35cad191facdb840bcf42353444231f9a53aa"
              />
   </projects>
   <hooks>