Linux_android flutter_gallery_sksl_warmup__transition_perf_e2e is 6.35% flaky

[flutterflakybot]

The post-submit test builder Linux_android flutter_gallery_sksl_warmup__transition_perf_e2e had a flaky ratio 6.35% 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/Linux_android%20flutter_gallery_sksl_warmup__transition_perf_e2e/56
Commit: flutter@225a43d
Flaky builds:
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_android%20flutter_gallery_sksl_warmup__transition_perf_e2e/56
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_android%20flutter_gallery_sksl_warmup__transition_perf_e2e/30
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_android%20flutter_gallery_sksl_warmup__transition_perf_e2e/27
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_android%20flutter_gallery_sksl_warmup__transition_perf_e2e/18

Succeeded builds (3 most recent):
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_android%20flutter_gallery_sksl_warmup__transition_perf_e2e/9
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_android%20flutter_gallery_sksl_warmup__transition_perf_e2e/8
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_android%20flutter_gallery_sksl_warmup__transition_perf_e2e/7

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).