Add support for recording page sizes with drcachesim -offline

Add a pointer to any prior users list discussion. https://groups.google.com/g/DynamoRIO-Users/c/h4Gd6eXEqTY

Is your feature request related to a problem? Please describe. Currently the recorded page size applies to the entire trace. If an application uses hugepages, we will have a mix of page sizes and we need to record this correctly.

Describe the solution you'd like

Do you have any implementation in mind for this feature?

Describe alternatives you've considered

Additional context