[roll] Roll fuchsia [starnix] Update comments on signal methods

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1061834
Original-Revision: ca8722af836fab9eba16d1e93dd07d079cb34ab2
GitOrigin-RevId: 18d98472a14702b6617ffc8e0027b4b4370906b3
Change-Id: I70057bf5f8cb4e13c44f2ba632de4ee2f7f3be2d
diff --git a/stem b/stem
index 03090af..635c557 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="460eb78f3df90eaef78d062a57e839e898d5f939"/>
+             revision="ca8722af836fab9eba16d1e93dd07d079cb34ab2"/>
   </projects>
   <hooks>
     <hook name="install-environment"