[gardening] Give vm/dart{,_2}/use_strip_flag_test more time in TSAN mode

Issue #42986

TEST=Updating status file

Change-Id: I30a6cbb2926145e393287fbc684615fa00911bb1
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/213045
Reviewed-by: Daco Harkes <dacoharkes@google.com>
Commit-Queue: Martin Kustermann <kustermann@google.com>

runtime/tests/vm/vm.status

@@ -67,10 +67,12 @@ dart/appjit_cha_deopt_test: SkipSlow
 dart/regress_40462_test: SkipSlow
 dart/regress_40753_test: Skip # This test crashes on the bot, but not locally, and infrastructure repeatly fails to locate its coredump.
 dart/trigger_gc_in_native_test: Skip # This test crashes on the bot, but not locally, and infrastructure repeatly fails to locate its coredump.
+dart/use_strip_flag_test: Pass, Slow # This test can take a longer time to complete.
 dart_2/appjit_cha_deopt_test: SkipSlow
 dart_2/regress_40462_test: SkipSlow
 dart_2/regress_40753_test: Skip # This test crashes on the bot, but not locally, and infrastructure repeatly fails to locate its coredump.
 dart_2/trigger_gc_in_native_test: Skip # This test crashes on the bot, but not locally, and infrastructure repeatly fails to locate its coredump.
+dart_2/use_strip_flag_test: Pass, Slow # This test can take a longer time to complete.
 
 [ $compiler == app_jitk ]
 dart/snapshot_version_test: RuntimeError