Ensure AppPermissionGroup clears Auto Revoke

Ensure the legacy AppPermissionGroup clears the auto revoked flag when
persisting state.

Fixes: 157476388
Test: Enable debug threshold, grant location permission to camera app,
run auto revoke, grant location in camera app, go to unused app screen,
verify camera does not show "location" as auto revoked

Change-Id: I218d2e1686f916d077b17ffdc2686c7f2ed8f6a6