Description of problem:
XSD schema validation error: cpu_profile & disk_profile objects missing 'qos' element

Version-Release number of selected component (if applicable):
vt2

How reproducible:
100%

Steps to Reproduce:
1. create vm & template to get the ID
2. get the objects
3. take the href from cpu_profile\disk_profile references


Actual results:
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<disk_profile href="/ovirt-engine/api/diskprofiles/336f9458-f228-4386-a6b4-a12e94dd12ae" id="336f9458-f228-4386-a6b4-a12e94dd12ae">
    <name>DataDomainRest</name>
    <link href="/ovirt-engine/api/diskprofiles/336f9458-f228-4386-a6b4-a12e94dd12ae/permissions" rel="permissions"/>
    <storage_domain href="/ovirt-engine/api/storagedomains/f456b5ee-ac72-4e33-b6fb-e9b06097d25e" id="f456b5ee-ac72-4e33-b6fb-e9b06097d25e"/>
</disk_profile>


<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<cpu_profile href="/ovirt-engine/api/cpuprofiles/9edd08be-e7a0-45c7-a296-6ee030dd1f94" id="9edd08be-e7a0-45c7-a296-6ee030dd1f94">
    <name>RestCluster1</name>
    <link href="/ovirt-engine/api/cpuprofiles/9edd08be-e7a0-45c7-a296-6ee030dd1f94/permissions" rel="permissions"/>
    <cluster href="/ovirt-engine/api/clusters/94e028b1-3109-4eb1-a129-be07341e9420" id="94e028b1-3109-4eb1-a129-be07341e9420"/>
</cpu_profile>



Expected results:

expected to see 'qos' element as described in api.xsd 

  <xs:complexType name="DiskProfile">
    <xs:complexContent>
      <xs:extension base="BaseResource">
        <xs:sequence>
          <xs:element ref="qos" minOccurs="1" maxOccurs="1"/>
          <xs:element ref="storage_domain" minOccurs="1" maxOccurs="1"/>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>


<xs:complexType name="CpuProfile">
    <xs:complexContent>
      <xs:extension base="BaseResource">
        <xs:sequence>
          <xs:element ref="qos" minOccurs="1" maxOccurs="1"/>
          <xs:element ref="cluster" minOccurs="1" maxOccurs="1"/>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>


Additional info: