Modify build.xml so we don't delete test report until running another test set. Mainly so we can run multiple targets without deleting test results.
Modify build.xml so we don't delete test report until running another test set. Mainly so we can run multiple targets without deleting test results.

git-svn-id: b5cf87c434d9ee7c8f18865e4378c9faabe04646@2053 17392f64-ead8-4cea-ae29-09b3ab513800

igvteam/igv,godotgildor/igv,godotgildor/igv,itenente/igv,igvteam/igv,itenente/igv,itenente/igv,igvteam/igv,godotgildor/igv,amwenger/igv,amwenger/igv,igvteam/igv,godotgildor/igv,itenente/igv,igvteam/igv,godotgildor/igv,amwenger/igv,itenente/igv,amwenger/igv,amwenger/igv