Update paramneters for Drivetrain upgrade job.

Change-Id: I80c41694e0a4f478d5344f04c2a3ffe488e2edd0
Related: PROD-20159
diff --git a/jenkins/client/approved_scripts.yml b/jenkins/client/approved_scripts.yml
index 1fb68c9..2b2c6a7 100644
--- a/jenkins/client/approved_scripts.yml
+++ b/jenkins/client/approved_scripts.yml
@@ -151,3 +151,8 @@
         - staticMethod org.codehaus.groovy.runtime.DefaultGroovyMethods getAt java.util.Collection java.lang.String
         - staticMethod org.codehaus.groovy.runtime.DefaultGroovyMethods init java.util.List
         - staticMethod org.codehaus.groovy.runtime.DefaultGroovyMethods asBoolean java.lang.CharSequence
+        - staticMethod hudson.model.Hudson getInstance
+        - method hudson.model.Job getProperty java.lang.Class
+        - method hudson.model.ParametersDefinitionProperty getParameterDefinitions
+        - method hudson.model.ParameterDefinition getName
+        - hudson.model.StringParameterDefinition getDefaultValue