Add USE_SET_METADATA tag
Seems like it was removed when the repos were reset
or whatever happened. Any way it means that older devices with recoveries that
don't support set_metadata can't install (Status 7) without this in the build

Change-Id: Ia35319168b0b8503023a730a263d5f177ed2236b
Merge remote-tracking branch 'pac/pac-4.4' into pac-4.4