adding index stats collection to n1ql tests

Change-Id: I3f73ad8694452d8e03c4da7d976dfb7938ff81e1
Reviewed-on: http://review.couchbase.org/c/perfrunner/+/149095
Tested-by: Build Bot <[email protected]>
Reviewed-by: Bo-Chun Wang <[email protected]>

Author: korry8911

perfrunner/tests/n1ql.py

@@ -16,6 +16,8 @@ class N1QLTest(PerfTest):
         'n1ql_latency': True,
         'n1ql_stats': True,
         'secondary_stats': True,
+        'secondary_debugstats': True,
+        'secondary_debugstats_index': True,
         'ns_server_system': True
     }
 
@@ -196,6 +198,8 @@ class N1QLThroughputTest(N1QLTest):
         'n1ql_latency': False,
         'n1ql_stats': True,
         'secondary_stats': True,
+        'secondary_debugstats': True,
+        'secondary_debugstats_index': True,
         'ns_server_system': True
     }