Fix error prone spelling

Author: jeanbisutti

agent/agent-profiler/agent-alerting/src/main/java/com/microsoft/applicationinsights/alerting/analysis/pipelines/AlertPipelineMXBean.java renamed to agent/agent-profiler/agent-alerting/src/main/java/com/microsoft/applicationinsights/alerting/analysis/pipelines/AlertPipelineMxBean.java

@@ -5,7 +5,7 @@
 
 // This class name must end in MXBean (case sensitive)
 @SuppressWarnings("checkstyle:AbbreviationAsWordInName")
-public interface AlertPipelineMXBean {
+public interface AlertPipelineMxBean {
 
   // Attributes
   long getCooldownSeconds();

agent/agent-profiler/agent-alerting/src/main/java/com/microsoft/applicationinsights/alerting/analysis/pipelines/SingleAlertPipeline.java

@@ -19,7 +19,7 @@
 import org.slf4j.LoggerFactory;
 
 /** Contains a pipeline that receives telemetry, feeds it into the analysis pipeline. */
-public class SingleAlertPipeline implements AlertPipeline, AlertPipelineMXBean {
+public class SingleAlertPipeline implements AlertPipeline, AlertPipelineMxBean {
 
   private static final Logger LOGGER = LoggerFactory.getLogger(SingleAlertPipeline.class);
   private static final String JMX_KEY = "com.microsoft:type=AI-alert,name=";