Windows hot_mode_dev_cycle_win_target__benchmark is 6.56% flaky

[flutterflakybot]

The post-submit test builder Windows hot_mode_dev_cycle_win_target__benchmark had a flaky ratio 6.56% for the past 15 days, which is above our 2.00% threshold.

One recent flaky example for a same commit: https://ci.chromium.org/ui/p/flutter/builders/prod/Windows%20hot_mode_dev_cycle_win_target__benchmark/2219
Commit: flutter@225a43d
Flaky builds:
https://ci.chromium.org/ui/p/flutter/builders/prod/Windows%20hot_mode_dev_cycle_win_target__benchmark/2225
https://ci.chromium.org/ui/p/flutter/builders/prod/Windows%20hot_mode_dev_cycle_win_target__benchmark/2223
https://ci.chromium.org/ui/p/flutter/builders/prod/Windows%20hot_mode_dev_cycle_win_target__benchmark/2219
https://ci.chromium.org/ui/p/flutter/builders/prod/Windows%20hot_mode_dev_cycle_win_target__benchmark/2215
https://ci.chromium.org/ui/p/flutter/builders/prod/Windows%20hot_mode_dev_cycle_win_target__benchmark/2209
https://ci.chromium.org/ui/p/flutter/builders/prod/Windows%20hot_mode_dev_cycle_win_target__benchmark/2208
https://ci.chromium.org/ui/p/flutter/builders/prod/Windows%20hot_mode_dev_cycle_win_target__benchmark/2204
https://ci.chromium.org/ui/p/flutter/builders/prod/Windows%20hot_mode_dev_cycle_win_target__benchmark/2197
https://ci.chromium.org/ui/p/flutter/builders/prod/Windows%20hot_mode_dev_cycle_win_target__benchmark/2190
https://ci.chromium.org/ui/p/flutter/builders/prod/Windows%20hot_mode_dev_cycle_win_target__benchmark/2188
https://ci.chromium.org/ui/p/flutter/builders/prod/Windows%20hot_mode_dev_cycle_win_target__benchmark/2186
https://ci.chromium.org/ui/p/flutter/builders/prod/Windows%20hot_mode_dev_cycle_win_target__benchmark/2167
https://ci.chromium.org/ui/p/flutter/builders/prod/Windows%20hot_mode_dev_cycle_win_target__benchmark/2164

Succeeded builds (3 most recent):
https://ci.chromium.org/ui/p/flutter/builders/prod/Windows%20hot_mode_dev_cycle_win_target__benchmark/2230
https://ci.chromium.org/ui/p/flutter/builders/prod/Windows%20hot_mode_dev_cycle_win_target__benchmark/2229
https://ci.chromium.org/ui/p/flutter/builders/prod/Windows%20hot_mode_dev_cycle_win_target__benchmark/2228

Please follow https://github.com/flutter/flutter/wiki/Reducing-Test-Flakiness#fixing-flaky-tests to fix the flakiness and enable the test back after validating the fix (internal dashboard to validate: go/flutter_test_flakiness).