Add system padding to the bottom of the miniresolver.

This is to stop the miniresolver from displaying the action buttons behind the navibation bar

Screenshots on different screen sizes: https://photos.app.goo.gl/jiZaU6X4mqxNv7aJ6

Flag: EXEMPT bugfix

Test: Manually on device
Bug: 348570519

Change-Id: If88127ce9bc389588b89bd3bc7b4c6b747f5b279