Enable metrics for AWSOtel Provider (#961)

Author: sjuarezgx

dotnet/src/dotnetcore/Providers/OpenTelemetry/OpenTelemetryAWSOtel/AWSOtelProvider.cs

@@ -1,12 +1,11 @@
 using System;
+using GeneXus.Services;
 using GeneXus.Services.OpenTelemetry;
 using Microsoft.Extensions.DependencyInjection;
 using OpenTelemetry;
-using OpenTelemetry.Trace;
 using OpenTelemetry.Contrib.Extensions.AWSXRay.Trace;
-using GeneXus.Services;
-using GeneXus.Services.Common;
-using GeneXus.Diagnostics;
+using OpenTelemetry.Metrics;
+using OpenTelemetry.Trace;
 
 namespace GeneXus.OpenTelemetry.AWS
 {
@@ -33,6 +32,10 @@ public bool InstrumentAspNetCoreApplication(IServiceCollection _)
 				.AddGxAspNetInstrumentation()
 				.Build();
 
+			Sdk.CreateMeterProviderBuilder()
+				.AddGxMeterAspNetInstrumentation()
+				.Build();
+
 			Sdk.SetDefaultTextMapPropagator(new AWSXRayPropagator());
 
 			return true;