describe that static objects are being decrefed

Author: sbSteveK

src/main/java/software/amazon/awssdk/crt/io/ClientBootstrap.java

@@ -90,7 +90,7 @@ private void onShutdownComplete() {
     public static void closeStaticDefault() {
         synchronized (ClientBootstrap.class) {
             if (staticDefaultClientBootstrap != null) {
-                staticDefaultClientBootstrap.close();
+                staticDefaultClientBootstrap.close("closeStaticDefault");
             }
             staticDefaultClientBootstrap = null;
         }

src/main/java/software/amazon/awssdk/crt/io/EventLoopGroup.java

@@ -95,7 +95,7 @@ public static void setStaticDefaultNumThreads(int numThreads) {
     public static void closeStaticDefault() {
         synchronized (EventLoopGroup.class) {
             if (staticDefaultEventLoopGroup != null) {
-                staticDefaultEventLoopGroup.close();
+                staticDefaultEventLoopGroup.close("closeStaticDefault");
             }
             staticDefaultEventLoopGroup = null;
         }

src/main/java/software/amazon/awssdk/crt/io/HostResolver.java

@@ -73,7 +73,7 @@ public static void setStaticDefaultMaxEntries(int maxEntries) {
     public static void closeStaticDefault() {
         synchronized (HostResolver.class) {
             if (staticDefaultResolver != null) {
-                staticDefaultResolver.close();
+                staticDefaultResolver.close("closeStaticDefault");
             }
             staticDefaultResolver = null;
         }