aws: deprecate classes (#1142)

Deprecate these classe to encourage users to transition
to V2 before [AWS support for V1] ends.

[AWS support for V1]: https://aws.amazon.com/blogs/developer/announcing-end-of-support-for-aws-sdk-for-java-v1-x-on-december-31-2025/

spectator-ext-aws/src/main/java/com/netflix/spectator/aws/SpectatorMetricCollector.java

@@ -23,7 +23,11 @@
 
 /**
  * A MetricCollector that captures SDK metrics.
+ *
+ * @deprecated Users should migrate to AWS SDK for Java V2. AWS will drop support
+ * for V1 after 2025.
  */
+@Deprecated
 public class SpectatorMetricCollector extends MetricCollector {
     private final RequestMetricCollector requestMetricCollector;
     private final ServiceMetricCollector serviceMetricCollector;

spectator-ext-aws/src/main/java/com/netflix/spectator/aws/SpectatorRequestMetricCollector.java

@@ -37,7 +37,11 @@
 
 /**
  * A {@link RequestMetricCollector} that captures request level metrics for AWS clients.
+ *
+ * @deprecated Users should migrate to AWS SDK for Java V2. AWS will drop support
+ * for V1 after 2025.
  */
+@Deprecated
 public class SpectatorRequestMetricCollector extends RequestMetricCollector {
 
   /**

spectator-ext-aws/src/main/java/com/netflix/spectator/aws/SpectatorServiceMetricCollector.java

@@ -27,7 +27,11 @@
 /**
  * A {@link ServiceMetricCollector} that captures the time it takes to get a connection
  * from the pool.
+ *
+ * @deprecated Users should migrate to AWS SDK for Java V2. AWS will drop support
+ * for V1 after 2025.
  */
+@Deprecated
 class SpectatorServiceMetricCollector extends ServiceMetricCollector {
 
   private final Timer clientGetConnectionTime;