Disable exporters for tests in the javaagent module (#13289)

Author: laurit

benchmark-overhead-jmh/build.gradle.kts

@@ -53,6 +53,7 @@ tasks {
       "-javaagent:${shadowTask.archiveFile.get()}",
       "-Dotel.traces.exporter=none",
       "-Dotel.metrics.exporter=none",
+      "-Dotel.logs.exporter=none",
       // avoid instrumenting HttpURLConnection for now since it is used to make the requests
       // and this benchmark is focused on servlet overhead for now
       "-Dotel.instrumentation.http-url-connection.enabled=false",

javaagent/build.gradle.kts

@@ -253,6 +253,9 @@ tasks {
     dependsOn(shadowJar)
 
     jvmArgs("-Dotel.javaagent.debug=true")
+    jvmArgs("-Dotel.traces.exporter=none")
+    jvmArgs("-Dotel.metrics.exporter=none")
+    jvmArgs("-Dotel.logs.exporter=none")
 
     jvmArgumentProviders.add(JavaagentProvider(shadowJar.flatMap { it.archiveFile }))