Add the test property PROCESSORS to the CDash xml as a NamedMeasurement.

This commit forwards the test property PROCESSORS to CDash in the xml
produced by ctest. This is to allow CDash to know how much processor
time was allocated to a test.

Source/CTest/cmCTestTestHandler.cxx

@@ -1440,6 +1440,12 @@ void cmCTestTestHandler::GenerateDartOutput(cmXMLWriter& xml)
       }
     }
 
+    xml.StartElement("NamedMeasurement");
+    xml.Attribute("type", "numeric/double");
+    xml.Attribute("name", "Processors");
+    xml.Element("Value", result->Properties->Processors);
+    xml.EndElement(); // NamedMeasurement
+
     xml.StartElement("NamedMeasurement");
     xml.Attribute("type", "text/string");
     xml.Attribute("name", "Completion Status");