[Android] modules memory leaks

[listenzz]

🐛 Bug Report

Native modules memory leaks when reload bundle by double click "R".

To Reproduce

create react app

react-native init MyApp --template typescript 
# &
npm start

open the android project by AndroidStudio，Run app through 'Run' button

dump java heap with Profiler

double click "R"

force GC and dump java heap again

Now, we can see memory leaks.

not just built in modules, but also custom modules.

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[stale]

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[stale]

Closing this issue after a prolonged period of inactivity. If this issue is still present in the latest release, please feel free to create a new issue with up-to-date information.