Your quote clearly states that they have access to the data for research, and not "in the future".
It also states that the framework to share with third parties will be available in 2020. It stands to reason that it is being used within the TGA system at this time, if only for debugging purposes.
The intention for linking EHR and clinical trials together is described in 2011:
Australian Health Research Alliance - Treasury Not sure if this recommendation has in fact been implemented yet, but probably not seeing that it figures in the Federal Budget Submission for 2019.