let apm classloader read whatever it wants

Author: mark-vieira

libs/entitlement/src/main/java/org/elasticsearch/entitlement/runtime/policy/PolicyManager.java

@@ -332,7 +332,9 @@ public void checkFileRead(Class<?> callerClass, Path path) {
         if (isTriviallyAllowed(requestingClass)) {
             return;
         }
-
+        if (requestingClass.getName().equals("co.elastic.apm.agent.premain.ShadedClassLoader")) {
+            return;
+        }
         ModuleEntitlements entitlements = getEntitlements(requestingClass);
         if (entitlements.fileAccess().canRead(path) == false) {
             notEntitled(

modules/apm/src/main/plugin-metadata/entitlement-policy.yaml

@@ -1,7 +1,4 @@
 org.elasticsearch.telemetry.apm:
-  - files:
-      - path: "/usr/share/elasticsearch/modules/apm/elastic-apm-agent-1.52.3-SNAPSHOT.jar"
-        mode: "read"
   - create_class_loader
   - write_system_properties:
       properties: