Marks Mac_benchmark basic_material_app_macos__compile to be flaky (flutter#162365)

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  "name": "Mac_benchmark basic_material_app_macos__compile"
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Issue link: flutter#162364

Co-authored-by: Chris Bracken <[email protected]>

Author: fluttergithubbot

.ci.yaml

@@ -3557,6 +3557,7 @@ targets:
       task_name: animated_complex_opacity_perf_macos__e2e_summary
 
   - name: Mac_benchmark basic_material_app_macos__compile
+    bringup: true # Flaky https://github.com/flutter/flutter/issues/162364
     presubmit: false
     recipe: devicelab/devicelab_drone
     timeout: 60