Javadoc.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1596237 13f79535-47bb-0310-9956-ffa450edef68
reverted back to old timeout value to prevent spurious test failure

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1596260 13f79535-47bb-0310-9956-ffa450edef68