Port two suggestions from 3305 (#4381)

Author: trask

agent/agent-tooling/src/main/java/com/microsoft/applicationinsights/agent/internal/profiler/triggers/AlertingSubsystemInit.java

@@ -38,7 +38,7 @@ public class AlertingSubsystemInit {
   // TODO (trask) inject instead of using global
   private static volatile AlertingSubsystem alertingSubsystem;
 
-  private static final Logger logger = LoggerFactory.getLogger(AlertingSubsystem.class);
+  private static final Logger logger = LoggerFactory.getLogger(AlertingSubsystemInit.class);
 
   public static AlertingSubsystem create(
       Configuration.ProfilerConfiguration configuration,

agent/agent-tooling/src/main/java/com/microsoft/applicationinsights/agent/internal/profiler/util/ServiceLoaderUtil.java

@@ -17,7 +17,7 @@ public static <T> T findServiceLoader(Class<T> clazz) {
 
   public static <T> T findServiceLoader(Class<T> clazz, boolean includeExtensionClassPath) {
     List<T> services = findAllServiceLoaders(clazz, includeExtensionClassPath);
-    if (services.size() > 0) {
+    if (!services.isEmpty()) {
       return services.get(0);
     }
     return null;