HADOOP-16487. Update jackson-databind to 2.9.9.2. Contributed by Siyao Meng.

Signed-off-by: Wei-Chiu Chuang <weichiu@apache.org>

hadoop-project/pom.xml

@@ -70,7 +70,7 @@
     <!-- jackson versions -->
     <jackson.version>1.9.13</jackson.version>
     <jackson2.version>2.9.9</jackson2.version>
-    <jackson2.databind.version>2.9.9.1</jackson2.databind.version>
+    <jackson2.databind.version>2.9.9.2</jackson2.databind.version>
 
     <!-- httpcomponents versions -->
     <httpclient.version>4.5.6</httpclient.version>