MAPREDUCE-6799. Document mapreduce.jobhistory.webapp.https.address in mapred-default.xml. Contributed by Yiqun Lin.

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/resources/mapred-default.xml

@@ -1630,6 +1630,14 @@
   <description>MapReduce JobHistory Server Web UI host:port</description>
 </property>
 
+<property>
+  <name>mapreduce.jobhistory.webapp.https.address</name>
+  <value>0.0.0.0:19890</value>
+  <description>
+    The https address the MapReduce JobHistory Server WebApp is on.
+  </description>
+</property>
+
 <property>
   <name>mapreduce.jobhistory.keytab</name>
   <description>