HIVE-9063: NPE in RemoteSparkJobStatus.getSparkStatistics [Spark Branch] (Rui via Xuefu)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/spark@1644518 13f79535-47bb-0310-9956-ffa450edef68
HIVE-8507: UT: fix rcfile_bigdata test [Spark Branch] (Chinna via Xuefu)

git-svn-id: https://svn.apache.org/repos/asf/hive/branches/spark@1644522 13f79535-47bb-0310-9956-ffa450edef68
Merge remote-tracking branch 'upstream/spark' into spark