HOTFIX: Fix build error caused by ControllerApisTest.scala
Introduced by The error was:
```
14:01:06 > Task :core:compileTestScala
14:01:06 [Error] /home/jenkins/agent/workspace/LoopTest-Kafka/kafka/core/src/test/scala/unit/kafka/server/ControllerApisTest.scala:70: the result type of an implicit conversion must be more specific than Object
```
Reviewers: Ismael Juma
@@ -67,7 +67,7 @@ class ControllerApisTest {
private def createControllerApis(authorizer: Option[Authorizer],
supportedFeatures: Map[String, VersionRange] = Map.empty): ControllerApis = {
val props = new Properties()
- props.put(KafkaConfig.NodeIdProp, nodeId)
+ props.put(KafkaConfig.NodeIdProp, nodeId: java.lang.Integer)
props.put(KafkaConfig.ProcessRolesProp, "controller")
new ControllerApis(
requestChannel,
