HADOOP-9511. Adding support for additional input streams (FSDataInputStream and RandomAccessFile) in SecureIOUtils so as to help YARN-578. Contributed by Omkar Vinit Joshi.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1479014 13f79535-47bb-0310-9956-ffa450edef68