Mark hidden API lists .KATI_RESTAT

Change hidden API list generation build rule so that it checks if
outputs have changed and only commit them when changes have been made.
.KATI_RESTAT instructs ninja to restat the outputs and remove reverse
dependencies when rebuilding dependencies is not needed.

Bug: 113278235
Test: m appcompat
Change-Id: Ic3ec82534a6d79b6a85f865a6e9eb5f0b3f12424