The post-submit test builder Linux_android new_gallery_impeller__transition_perf, which has been marked bringup: true, had 6 flakes over past 100 commits.

One recent flaky example for a same commit: https://ci.chromium.org/ui/p/flutter/builders/staging/Linux_android%20new_gallery_impeller__transition_perf/786
Commit: 3eee640

Flaky builds:
https://ci.chromium.org/ui/p/flutter/builders/staging/Linux_android%20new_gallery_impeller__transition_perf/786
https://ci.chromium.org/ui/p/flutter/builders/staging/Linux_android%20new_gallery_impeller__transition_perf/783
https://ci.chromium.org/ui/p/flutter/builders/staging/Linux_android%20new_gallery_impeller__transition_perf/781
https://ci.chromium.org/ui/p/flutter/builders/staging/Linux_android%20new_gallery_impeller__transition_perf/758
https://ci.chromium.org/ui/p/flutter/builders/staging/Linux_android%20new_gallery_impeller__transition_perf/756
https://ci.chromium.org/ui/p/flutter/builders/staging/Linux_android%20new_gallery_impeller__transition_perf/746

Recent test runs:
https://flutter-dashboard.appspot.com/#/build?taskFilter=Linux_android%20new_gallery_impeller__transition_perf

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).