[roll] Roll fuchsia [python_mobly_test] namespace the test_data to the test_target

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/824517
Original-Revision: 8b8a8073a858d3db00b9c0c73372fc4859df0a2e
GitOrigin-RevId: f035adf7b0f11ed2220dd46d4fb47346da50dbdb
Change-Id: Ifcd373bcdfc4047305227ff4d748108819dd5439
diff --git a/stem b/stem
index 08ebb62..5e93e40 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="77d32682f41f1e9f858a5e45466424018aef6837"/>
+             revision="8b8a8073a858d3db00b9c0c73372fc4859df0a2e"/>
   </projects>
   <hooks>
     <hook name="install-environment"