Update emulator versions used by FTL

[a-maurice]

Description

Provide details of the change, and generalize the change in the PR title above.

The FTL emulator tests keep being flakey, trying to update the versions used, to see if that improves it.

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Testing

Describe how you've tested these changes. Link any manually triggered Integration tests or CPP binary SDK Packaging Github Action workflows, if applicable.

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Type of Change

Place an x the applicable box:

• Bug fix. Add the issue # below if applicable.
• New feature. A non-breaking change which adds functionality.
• Other, such as a build process or documentation change.

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Notes

• Bug fixes and feature changes require an update to the Release Notes section of release_build_files/readme.md.
• Read the contribution guidelines CONTRIBUTING.md.
• Changes to the public API require an internal API review. If you'd like to help us make Firebase APIs better, please propose your change in a feature request so that we can discuss it together.

[gemini-code-assist]

Code Review

This pull request updates the emulator Firebase Test Lab (FTL) target device versions from API level 28 to 30 in the GitHub Actions matrix configuration script (scripts/gha/print_matrix_configuration.py). As there are no review comments, I have no feedback to provide.

[github-actions]

Integration test with FLAKINESS (succeeded after retry)

Requested by @a-maurice on commit 2eb798c
Last updated: Wed Jul 29 17:42 PDT 2026
View integration test log & download artifacts

Failures	Configs
messaging	[TEST] [FLAKINESS] [Android] [1/3 os: ubuntu] [1/2 android_device: android_target] (1 failed tests)   CRASH/TIMEOUT

Add flaky tests to go/fpl-cpp-flake-tracker