KAFKA-20012: Move NodeToControllerChannelManagerImpl to server module #21261
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Migrates
NodeToControllerChannelManagerand related classes from Scala (core module) to Java (server module).New Java Classes (server module)
ControllerNodeProvider- Interface for discovering active controllerControllerInformation- Controller connection details recordRaftControllerNodeProvider- KRaft implementation finding controller via Raft metadataNodeToControllerChannelManagerImpl- Manages node-to-controller communication channelNodeToControllerRequestThread- Background thread handling request queue and retriesNodeToControllerQueueItem- Queued request record with timeout trackingUpdated
AbstractKafkaConfig- AddedaddReconfigurable()/removeReconfigurable()methods to support migrationKafkaConfig- Addedoverridekeywords for reconfigurable methods