LUCENE-4879: Finish solr upgrade: upgrade randomizedtesting-runner and junit4-ant dependencies in solr/test-framework/ivy.xml; and add junit4-ant 2.0.9 SHA1 to solr/licenses/ (merged trunk r1461280)

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1461281 13f79535-47bb-0310-9956-ffa450edef68