[roll] Roll antlion [wlan][testing] RvR: allow dhcp failures

In the reverse testing direction (where we go from weak signal to strong
signal), we may reach a step where we successfully connect, but fail to
get an IP. This is OK: we should return 0 rate here, and continue.

Original-Fixed: b/425945354
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/antlion/+/1304544
Original-Revision: 274f7cff75ee23d388bbe86e168d87acd6f907bf
GitOrigin-RevId: 0059459b41e4821717e94921254fac7b306eb6c7
Change-Id: I05d1f939d78f29ded0df758a5f27ff0ed35b263e
diff --git a/stem b/stem
index 2ab4db7..e17f497 100644
--- a/stem
+++ b/stem
@@ -24,6 +24,6 @@
              path="third_party/antlion"
              remote="https://fuchsia.googlesource.com/antlion"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="2d86f5535e7264d9d80be5f40db443f14205ea53"/>
+             revision="274f7cff75ee23d388bbe86e168d87acd6f907bf"/>
   </projects>
 </manifest>