[roll] Roll fuchsia [icu] Suppress virtual-specifier warning

This CL suppresses this warning until icup@latest is updated to a newer
revision (b929596baebf0ab4ac7ec07f38365db4c50a559d).

Original-Bug: 416514150
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1275670
Original-Revision: 9096e8c50abab370f6dc2eed10ad72f1ea9a984c
GitOrigin-RevId: 88d2fcded254fea73aa575d106c0a28222ec0770
Change-Id: I5f6ce77f18558b45c2b1de4bfea343184047b6a4
diff --git a/stem b/stem
index 646f334..d6d9373 100644
--- a/stem
+++ b/stem
@@ -8,7 +8,7 @@
              root=""
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="aa2c34bba64e9eca61f3dfb27a69d8040872a674"
+             revision="9096e8c50abab370f6dc2eed10ad72f1ea9a984c"
              />
   </imports>
   <projects>