[roll] Roll fuchsia [roll] Roll third_party/pigweed pw_trace_tokenized: Fetch tracing data via pw_transfer

The change supports fetching trace data via pw_transfer after tracing
is stopped.

Original-Bug: 408219818
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/286892
Tests-Not-Needed: Wyatt Hepler <hepler@google.com>
Original-Revision: b2e0f272ffe54c2d274267e09650e09f4254fa30

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1281088
Original-Revision: 71ede74173def7878743b597cd61f99bf362cfbf
GitOrigin-RevId: 7be544e0500efacfbc842bfbc644178d3e3ae7f1
Change-Id: I6231f6bcda4ee459a5ccf5b39c11c3d0cf8fe418
diff --git a/stem b/stem
index 4ad6dac..685d839 100644
--- a/stem
+++ b/stem
@@ -7,7 +7,7 @@
             manifest="manifests/platform"
             root=""
             remote="https://fuchsia.googlesource.com/fuchsia"
-            revision="6e1db3f926ad5f36fd77143637d69ade247e59d2"/>
+            revision="71ede74173def7878743b597cd61f99bf362cfbf"/>
   </imports>
   <projects>
     <project name="cobalt"