AEM_CONTAINER: Improve startup speed using Class Data Sharing and/or Project Leyden constructs

The current container takes minutes to start up. It would be nice if it started quicker. There should be ways to speed it up using [Class Data Sharing (CDS)](https://docs.oracle.com/javase/8/docs/technotes/guides/vm/class-data-sharing.html) or some other mechanisms from [Project Leyden](https://openjdk.org/projects/leyden/).

Look at the AEM container startup scripts and Java launch configuration. Research Class Data Sharing (CDS) and Project Leyden for Java performance. Determine how to integrate CDS archive generation or Leyden static images into the container build process. Test startup time before and after changes.

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