Apache Hadoop qbt Report: trunk+JDK8 on Linux/x86

For more details, see https://builds.apache.org/job/hadoop-qbt-trunk-java8-linux-x86/1411/ [Feb 14, 2020 6:20:28 AM] (aajisaka) HADOOP-16850. Support getting thread info from thread group for [Feb 14, 2020 11:20:29 AM] (brahma) YARN-10136. [Router] : Application metrics are hardcode as N/A in

Apache Hadoop qbt Report: branch2.10+JDK7 on Linux/x86

For more details, see https://builds.apache.org/job/hadoop-qbt-branch-2.10-java7-linux-x86/597/ [Feb 14, 2020 4:38:05 PM] (ayushsaxena) HDFS-15164. Fix TestDelegationTokensWithHA. Contributed by Ayush Saxena. -1 overall The following subsystems voted -1: asflicense findbugs hadolint