Updates to relocated Threading class

Author: spencergibb

binders/rabbit-binder/spring-cloud-stream-binder-rabbit/src/main/java/org/springframework/cloud/stream/binder/rabbit/config/RabbitMessageChannelBinderConfiguration.java

@@ -32,8 +32,8 @@
 import org.springframework.boot.amqp.autoconfigure.RabbitProperties;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnThreading;
 import org.springframework.boot.autoconfigure.context.PropertyPlaceholderAutoConfiguration;
-import org.springframework.boot.autoconfigure.thread.Threading;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import org.springframework.boot.thread.Threading;
 import org.springframework.cloud.stream.binder.rabbit.RabbitMessageChannelBinder;
 import org.springframework.cloud.stream.binder.rabbit.properties.RabbitBinderConfigurationProperties;
 import org.springframework.cloud.stream.binder.rabbit.properties.RabbitExtendedBindingProperties;