add devtools_profile_start_test (#86973)

.ci.yaml

@@ -1184,6 +1184,15 @@ targets:
         ["devicelab"]
     scheduler: luci
 
+  - name: Linux devtools_profile_start_test
+    builder: Linux devtools_profile_start_test
+    bringup: true
+    presubmit: false
+    properties:
+      tags: >
+        ["devicelab"]
+    scheduler: luci
+
   - name: Linux docs_test
     builder: Linux docs_test
     presubmit: false

TESTOWNERS

@@ -27,6 +27,7 @@
 /dev/devicelab/bin/tasks/cubic_bezier_perf__e2e_summary.dart @zanderso @flutter/engine
 /dev/devicelab/bin/tasks/cubic_bezier_perf_sksl_warmup__e2e_summary.dart @zanderso @flutter/engine
 /dev/devicelab/bin/tasks/cull_opacity_perf__e2e_summary.dart @zanderso @flutter/engine
+/dev/devicelab/bin/tasks/devtools_profile_start_test.dart @zanderso @flutter/tool
 /dev/devicelab/bin/tasks/fast_scroll_heavy_gridview__memory.dart @zanderso @flutter/engine
 /dev/devicelab/bin/tasks/flutter_engine_group_performance.dart @zanderso @flutter/engine
 /dev/devicelab/bin/tasks/flutter_gallery__back_button_memory.dart @zanderso @flutter/engine