AMBARI-25818: Set default value for jdk.version in ambari-serviceadvisor (#3612)

Signed-off-by: Brahma Reddy Battula <brahma@apache.org>

ambari-serviceadvisor/pom.xml

@@ -29,6 +29,9 @@
   <name>Ambari Service Advisor</name>
   <version>1.0.0.0-SNAPSHOT</version>
   <description>Service Advisor</description>
+  <properties>
+    <jdk.version>1.8</jdk.version>
+  </properties>
 
   <dependencies>
     <!-- Log Factory logging