File _constraints of Package firefox

<?xml version="1.0" encoding="UTF-8"?>
<constraints>
  <hardware>
    <jobs>8</jobs>
    <disk>
      <size unit="G">26</size>
    </disk>
    <physicalmemory>
      <size unit="G">15</size>
    </physicalmemory>
  </hardware>
  <hostlabel exclude="true">SLOW_CPU</hostlabel>
  <hostlabel exclude="true">SLOW_DISK</hostlabel>
</constraints>