[roll] Roll fuchsia [netstack3] Implement SetReceiveBuffer for UDP

Support setting the SO_RCVBUF socket option on UDP sockets. Testing will
be done by OOT syscall tests.

Original-Bug: 105091
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/704004
Original-Revision: 26f35d6fb06c0a1071dd7c57105a94324d5e0058
GitOrigin-RevId: ea09b16c9fd68d5454dcfba14b6dea5813e71772
Change-Id: I9367d285d3b49ae70c129c26b4fce15a4b53fe32
diff --git a/stem b/stem
index 29b5752..500afdd 100644
--- a/stem
+++ b/stem
@@ -10,7 +10,7 @@
              githooks=""
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="26b0dc28d15c3aab87b33dfaffd86864241ed7aa"/>
+             revision="26f35d6fb06c0a1071dd7c57105a94324d5e0058"/>
   </projects>
   <hooks>
     <hook name="install-environment"