still need to test these changes & build upon update sdk pr

Author: harsimar

agent/agent-tooling/build.gradle.kts

@@ -21,7 +21,7 @@ dependencies {
   implementation(project(":agent:agent-profiler:agent-diagnostics"))
   implementation(project(":etw:java"))
 
-  implementation("com.azure:azure-monitor-opentelemetry-autoconfigure:1.3.0")
+  implementation("com.azure:azure-monitor-opentelemetry-autoconfigure:1.4.0-beta.1")
   compileOnly("io.opentelemetry.javaagent:opentelemetry-javaagent-bootstrap")
   compileOnly("io.opentelemetry.javaagent:opentelemetry-javaagent-tooling")
   compileOnly("io.opentelemetry.javaagent:opentelemetry-javaagent-tooling-java9")

agent/agent-tooling/gradle.lockfile

@@ -9,7 +9,7 @@ com.azure:azure-core-http-netty:1.16.0=runtimeClasspath
 com.azure:azure-core:1.56.0=runtimeClasspath
 com.azure:azure-identity:1.17.0=runtimeClasspath
 com.azure:azure-json:1.5.0=runtimeClasspath
-com.azure:azure-monitor-opentelemetry-autoconfigure:1.3.0=runtimeClasspath
+com.azure:azure-monitor-opentelemetry-autoconfigure:1.4.0-beta.1=runtimeClasspath
 com.azure:azure-sdk-bom:1.2.38=runtimeClasspath
 com.azure:azure-storage-blob:12.31.2=runtimeClasspath
 com.azure:azure-storage-common:12.30.2=runtimeClasspath

agent/agent-tooling/src/main/java/com/microsoft/applicationinsights/agent/internal/init/SecondEntryPoint.java

@@ -91,6 +91,9 @@ public class SecondEntryPoint
       new ClientLogger("com.microsoft.applicationinsights.agent");
   private static File tempDir;
 
+  private static final String METRICS_TO_LOG_ANALYTICS_ENABLED =
+      "APPLICATIONINSIGHTS_METRICS_TO_LOGANALYTICS_ENABLED";
+
   @Nullable private static AzureMonitorLogFilteringProcessor logFilteringProcessor;
 
   static File getTempDir() {
@@ -372,10 +375,13 @@ private static MetricExporter buildMetricExporter(
     String otelMetricsExporter = configProperties.getString("otel.metrics.exporter");
     boolean otlpEnabled = (otelMetricsExporter != null && !otelMetricsExporter.isEmpty()) &&
                          (otelMetricsEndpoint != null && !otelMetricsEndpoint.isEmpty()); 
+
+    String metricsToLAEnvVar = System.getenv(METRICS_TO_LOG_ANALYTICS_ENABLED);
+    boolean metricsToLAEnabled = metricsToLAEnvVar == null || "true".equalsIgnoreCase(metricsToLAEnvVar);
 
     MetricDataMapper mapper =
         new MetricDataMapper(
-            telemetryClient::populateDefaults, configuration.preview.captureHttpServer4xxAsError, otlpEnabled);
+            telemetryClient::populateDefaults, configuration.preview.captureHttpServer4xxAsError, otlpEnabled, metricsToLAEnabled);
     return new AgentMetricExporter(
         metricFilters, mapper, telemetryClient.getMetricsBatchItemProcessor());
   }