[roll] Roll fuchsia [test_manager] Align internal names with fidl protocols

This updates some internal names to use the test run/suite/test case
nomenclature used by the test manager fidl protocols.

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/579754
Original-Revision: f915ec239d2e18d2be8b7981003e3ec0c0830411
GitOrigin-RevId: 5f75a81fe7e6cbd73e06bc1bc83061572c777224
Change-Id: I307cf5de13c4a22e945bd5f696bbd92257cda59a
diff --git a/stem b/stem
index 6e21efd..72ca1a1 100644
--- a/stem
+++ b/stem
@@ -10,7 +10,7 @@
              githooks=""
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="e1d1449be712540fb0e1f0a4c0dca4dd658318d7"/>
+             revision="f915ec239d2e18d2be8b7981003e3ec0c0830411"/>
   </projects>
   <hooks>
     <hook name="install-environment"