HADOOP-9483. Adding a file missed in previous commit r1478592

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1478633 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9523. Provide a generic IBM java vendor flag in PlatformName.java to support non-Sun JREs. Contributed by Tian Hong Wang.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1478634 13f79535-47bb-0310-9956-ffa450edef68