HADOOP-16619. Upgrade jackson and jackson-databind to 2.9.10 (#1554). Contributed by Siyao Meng.

hadoop-project/pom.xml

@@ -69,8 +69,8 @@
 
     <!-- jackson versions -->
     <jackson.version>1.9.13</jackson.version>
-    <jackson2.version>2.9.9</jackson2.version>
-    <jackson2.databind.version>2.9.9.3</jackson2.databind.version>
+    <jackson2.version>2.9.10</jackson2.version>
+    <jackson2.databind.version>2.9.10</jackson2.databind.version>
 
     <!-- httpcomponents versions -->
     <httpclient.version>4.5.6</httpclient.version>