[roll] Roll Global Integration

GitOrigin-RevId: ae5c64b0e155907e42f70636d5728741bea07057
Change-Id: I1c2d88a752211a686e5691365f3315648a6896a6
diff --git a/stem b/stem
index 94ce9e8..d85fccc 100644
--- a/stem
+++ b/stem
@@ -7,7 +7,7 @@
             manifest="manifests/platform"
             root=""
             remote="https://fuchsia.googlesource.com/fuchsia"
-            revision="d5d37ff9ccb5bcec10c011b4975457fc7be942ae"/>
+            revision="646d8fa446aa1a03ceb9be21f33664a261e1996b"/>
   </imports>
   <projects>
     <project name="cobalt"