Test release/minified build on Android to validate proguard rules

[mikehardy]

What feature would you like to see?

There is a really old issue asking for guidance on proguard:

• Proguard rules in v6 #3770

The guidance there is to basically keep all io.invertase classes, but it was never officially documented as far as I know.

That indicates that people are likely using react-native-firebase with proguard enabled and no rules, so it should be working but the only way to know is to test it.

Historically testing proguard-enabled minified release builds has been very difficult because instrumented tests don't work by default with proguard enabled

Just recently this has been figured out though and it's not too hard once you know how to do it - here's how:

• Implement release mode instrumentation with better proguard rules ankidroid/Anki-Android#16635

The task here is to adopt the changes in that Anki-Android repository for our e2e app and run the app in CI with a minified release mode build. That should surface any problems with proguard so we can fix them via @Keep rules as needed

[github-actions]

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