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

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1207531
Original-Revision: 3dc4c098abf6123cbe3a082e42fd4fc0e9bf93a3
GitOrigin-RevId: 4983d333712d024c3be809460db7ed454cdbacc3
Change-Id: If5797478065610891d8e7bead718c52a51ad8642
diff --git a/stem b/stem
index 8ce628b..8f0ae0e 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="c6ca0f0c01ed2b9e5444b75634e08e32b9e4c709"/>
+             revision="3dc4c098abf6123cbe3a082e42fd4fc0e9bf93a3"/>
   </projects>
   <hooks>
     <hook name="install-environment"