Diagnosis of XMLResultAggregatorTest.testFrames failure on Java 7.


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@1453122 13f79535-47bb-0310-9956-ffa450edef68
StringUtils.replace is obsolete.


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@1453133 13f79535-47bb-0310-9956-ffa450edef68