Sorry for answering so late. Thank you very much for your effort!
I wasn't aware of the fact that the rebuild is always triggered and this is very valuable information. However I'm afraid that forking the buildpack is not a viable solution for us since we don't even have control over which buildpacks are running on the machines. We can however influence it. 🙂
Nevertheless I will mark you answer as solution as this together with prebuilding the modules will surely make AppDynamics run in offline enviornments.
Have a great day!
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