Linux android_defines_test is 2.50% flaky

[flutterflakybot]

The post-submit test builder Linux android_defines_test had a flaky ratio 2.50% 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%20android_defines_test/2178
Commit: flutter@0e7e7bc
Flaky builds:
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20android_defines_test/2178
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20android_defines_test/2166

Succeeded builds (3 most recent):
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20android_defines_test/2240
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20android_defines_test/2239
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux%20android_defines_test/2238

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).