AMBARI-17509. Fix logfeeder hsdfs user references in patterns (oleewere)

ambari-server/src/main/resources/common-services/LOGSEARCH/0.5.0/package/templates/input.config-hdfs.json.j2

@@ -20,27 +20,27 @@
     {
       "type":"hdfs_datanode",
       "rowtype":"service",
-      "path":"{{hdfs_log_dir_prefix}}/{hdfs_user}}/hadoop-{{hdfs_user}}-datanode-*.log"
+      "path":"{{hdfs_log_dir_prefix}}/{{hdfs_user}}/hadoop-{{hdfs_user}}-datanode-*.log"
     },
     {
       "type":"hdfs_namenode",
       "rowtype":"service",
-      "path":"{{hdfs_log_dir_prefix}}/{hdfs_user}}/hadoop-{{hdfs_user}}-namenode-*.log"
+      "path":"{{hdfs_log_dir_prefix}}/{{hdfs_user}}/hadoop-{{hdfs_user}}-namenode-*.log"
     },
     {
       "type":"hdfs_journalnode",
       "rowtype":"service",
-      "path":"{{hdfs_log_dir_prefix}}/{hdfs_user}}/hadoop-{{hdfs_user}}-journalnode-*.log"
+      "path":"{{hdfs_log_dir_prefix}}/{{hdfs_user}}/hadoop-{{hdfs_user}}-journalnode-*.log"
     },
     {
       "type":"hdfs_secondarynamenode",
       "rowtype":"service",
-      "path":"{{hdfs_log_dir_prefix}}/{hdfs_user}}/hadoop-{{hdfs_user}}-secondarynamenode-*.log"
+      "path":"{{hdfs_log_dir_prefix}}/{{hdfs_user}}/hadoop-{{hdfs_user}}-secondarynamenode-*.log"
     },
     {
       "type":"hdfs_zkfc",
       "rowtype":"service",
-      "path":"{{hdfs_log_dir_prefix}}/{hdfs_user}}/hadoop-{{hdfs_user}}-zkfc-*.log"
+      "path":"{{hdfs_log_dir_prefix}}/{{hdfs_user}}/hadoop-{{hdfs_user}}-zkfc-*.log"
     },
     {
       "type":"hdfs_nfs3",