Using java-agent gradle plugin to phase off Security Manager in favor of Java-agent. (#1917)

* Revert "Fix build due to phasing off SecurityManager usage in favor of Java Agent"

This reverts commit 2805580.

Signed-off-by: Pranav Reddy <pranavrd@amazon.com>

* Using java-agent gradle plugin to phase off Security Manager in favor of Java-agent.

Signed-off-by: Pranav Reddy <pranavrd@amazon.com>

---------

Signed-off-by: Pranav Reddy <pranavrd@amazon.com>

Author: pranu2502

build.gradle

@@ -56,6 +56,7 @@ apply plugin: 'opensearch.testclusters'
 apply plugin: 'io.gitlab.arturbosch.detekt'
 apply plugin: 'org.jetbrains.kotlin.jvm'
 apply plugin: 'org.jetbrains.kotlin.plugin.allopen'
+apply plugin: 'opensearch.java-agent'
 
 def usingRemoteCluster = System.properties.containsKey('tests.rest.cluster') || System.properties.containsKey('tests.cluster')
 def usingMultiNode = project.properties.containsKey('numNodes')
@@ -179,26 +180,6 @@ allprojects {
     plugins.withId('java') {
         sourceCompatibility = targetCompatibility = "21"
     }
-
-    configurations {
-        agent
-    }
-    
-    task prepareAgent(type: Copy) {
-        from(configurations.agent)
-        into "$buildDir/agent"
-    }
-
-    dependencies {
-        agent "org.opensearch:opensearch-agent-bootstrap:${opensearch_version}"
-        agent "org.opensearch:opensearch-agent:${opensearch_version}"
-        agent "net.bytebuddy:byte-buddy:${versions.bytebuddy}"
-    }
-
-    tasks.withType(Test) {
-        dependsOn prepareAgent
-        jvmArgs += ["-javaagent:" + project.layout.buildDirectory.file("agent/opensearch-agent-${opensearch_version}.jar").get()]
-    }
 }
 
 dependencies {