Updated mac dmg script to include a sleep while any old HS volumes are unmounted
Updated mac dmg script to include a sleep while any old HS volumes are unmounted

SU-ECE-17-7/hotspotter,Erotemic/hotspotter,SU-ECE-17-7/hotspotter,SU-ECE-17-7/hotspotter,Erotemic/hotspotter,Erotemic/hotspotter