Upgrade fasterXML libraries for OS-9

Upgrade fasterXML to version 2.9.5 to address security vulnerability
Wrap calls to treeRead(InputStream) to handle new behavior of null streams

Change-Id: Id199cfacd0cf9e5371dc33de9f1e058c2e72eaa5
diff --git a/web/api/src/main/java/org/onosproject/rest/resources/MetersWebResource.java b/web/api/src/main/java/org/onosproject/rest/resources/MetersWebResource.java
index 31f91c7..6fbe1b3 100644
--- a/web/api/src/main/java/org/onosproject/rest/resources/MetersWebResource.java
+++ b/web/api/src/main/java/org/onosproject/rest/resources/MetersWebResource.java
@@ -44,6 +44,7 @@
 import java.io.InputStream;
 
 import static org.onlab.util.Tools.nullIsNotFound;
+import static org.onlab.util.Tools.readTreeFromStream;
 import static org.slf4j.LoggerFactory.getLogger;
 
 /**
@@ -138,7 +139,7 @@
     public Response createMeter(@PathParam("deviceId") String deviceId,
                                 InputStream stream) {
         try {
-            ObjectNode jsonTree = (ObjectNode) mapper().readTree(stream);
+            ObjectNode jsonTree = readTreeFromStream(mapper(), stream);
             JsonNode specifiedDeviceId = jsonTree.get("deviceId");
 
             if ((specifiedDeviceId != null &&