Android force compress sqlite with jpg extension

I have an old class in an Android app which copies a pre-generated sqlite database. Up to Android 2.3 we needed to change the sqlite extension to an extension which won't be compressed (like jpg as in this question). As we stop the support for Android prior to 4.1 this is no longer needed.

I want to reduce the apk size, but I want to avoid changing the database's filename. Is there a way to mark the file so it will be compressed when creating the apk although it has the jpg extension?

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