Uses new argument to force stop perfetto sessions

Test: atest FlickerLibTests
Bug: 288396763
Change-Id: Ie55d391d712fbcb62bc34f76b5d74dce962bd4e6
diff --git a/tests/FlickerTests/Notification/AndroidTestTemplate.xml b/tests/FlickerTests/Notification/AndroidTestTemplate.xml
index 9c6a17d3..04b312a 100644
--- a/tests/FlickerTests/Notification/AndroidTestTemplate.xml
+++ b/tests/FlickerTests/Notification/AndroidTestTemplate.xml
@@ -80,6 +80,7 @@
                 value="trace_config.textproto"
         />
         <option name="instrumentation-arg" key="per_run" value="true"/>
+        <option name="instrumentation-arg" key="perfetto_persist_pid_track" value="true"/>
     </test>
     <!-- Needed for pulling the collected trace config on to the host -->
     <metrics_collector class="com.android.tradefed.device.metric.FilePullerLogCollector">