[roll] Roll fuchsia [dhcp_test] Avoid discover retransmissions to deflake test

Increase the retransmission time while acquisition so that retransmits
does not affect the counter checks in the test.

Original-Fixed: 69592
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/488197
Original-Revision: 86534d7fd4f76e05184454acdadafabae457007a
GitOrigin-RevId: 888cc6310638f6254285c6eaf313ce1bd72c6dc7
Change-Id: I7a69316e9f08cc3127ea6a2273afde7594bbb317
diff --git a/stem b/stem
index 3d41354..ab3c3d9 100644
--- a/stem
+++ b/stem
@@ -10,7 +10,7 @@
              githooks=""
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="e196bf12070328d8e9c3aadec36a92143c68ac35"/>
+             revision="86534d7fd4f76e05184454acdadafabae457007a"/>
   </projects>
   <hooks>
     <hook name="install-environment"