Upgrade the underlying NFD and ndn-cxx to version 0.6.2

Change-Id: Iedca95f3570bf96492036e4609579eda383581f5
Refs: #4607
diff --git a/tests/unit-tests/utils/tracers/ndn-l3-rate-tracer.t.cpp b/tests/unit-tests/utils/tracers/ndn-l3-rate-tracer.t.cpp
index 0bb895f..ae2dc8e 100644
--- a/tests/unit-tests/utils/tracers/ndn-l3-rate-tracer.t.cpp
+++ b/tests/unit-tests/utils/tracers/ndn-l3-rate-tracer.t.cpp
@@ -114,8 +114,8 @@
      << "1	1	257	appFace://	OutTimedOutInterests	0	0	0	0\n";
   BOOST_CHECK(os.match_pattern());
 
-  os << "1	1	-1	all	SatisfiedInterests	3.2	0	4	0\n"
-     << "1	1	-1	all	TimedOutInterests	0	0	0	0\n";
+  os << "1	1	-1	all	SatisfiedInterests	2.4	0	3	0\n"
+     << "1	1	-1	all	TimedOutInterests	0.8	0	1	0\n";
   BOOST_CHECK(os.match_pattern());
 }