misc: override toString in business metrics

Author: 0marperez

aws-runtime/aws-http/api/aws-http.api

@@ -145,6 +145,7 @@ public final class aws/sdk/kotlin/runtime/http/interceptors/AwsBusinessMetric :
 	public static final field S3_EXPRESS_BUCKET Laws/sdk/kotlin/runtime/http/interceptors/AwsBusinessMetric;
 	public static fun getEntries ()Lkotlin/enums/EnumEntries;
 	public fun getIdentifier ()Ljava/lang/String;
+	public fun toString ()Ljava/lang/String;
 	public static fun valueOf (Ljava/lang/String;)Laws/sdk/kotlin/runtime/http/interceptors/AwsBusinessMetric;
 	public static fun values ()[Laws/sdk/kotlin/runtime/http/interceptors/AwsBusinessMetric;
 }

aws-runtime/aws-http/common/src/aws/sdk/kotlin/runtime/http/interceptors/BusinessMetricsInterceptor.kt

@@ -65,4 +65,7 @@ private fun formatMetrics(metrics: MutableSet<BusinessMetric>): String {
 public enum class AwsBusinessMetric(public override val identifier: String) : BusinessMetric {
     S3_EXPRESS_BUCKET("J"),
     DDB_MAPPER("d"),
+    ;
+
+    override fun toString(): String = identifier
 }