8036794: Collect more Collector Lambdas

Reviewed-by: attila, ahgross

src/share/classes/javax/script/ScriptEngineManager.java

@@ -81,23 +81,28 @@ public class ScriptEngineManager  {
         nameAssociations = new HashMap<String, ScriptEngineFactory>();
         extensionAssociations = new HashMap<String, ScriptEngineFactory>();
         mimeTypeAssociations = new HashMap<String, ScriptEngineFactory>();
-        AccessController.doPrivileged(new PrivilegedAction<Object>() {
-            public Object run() {
         initEngines(loader);
-                return null;
     }
-        });
+
+    private ServiceLoader<ScriptEngineFactory> getServiceLoader(final ClassLoader loader) {
+        if (loader != null) {
+            return ServiceLoader.load(ScriptEngineFactory.class, loader);
+        } else {
+            return ServiceLoader.loadInstalled(ScriptEngineFactory.class);
+        }
     }
 
     private void initEngines(final ClassLoader loader) {
         Iterator<ScriptEngineFactory> itr = null;
         try {
-            ServiceLoader<ScriptEngineFactory> sl;
-            if (loader != null) {
-                sl = ServiceLoader.load(ScriptEngineFactory.class, loader);
-            } else {
-                sl = ServiceLoader.loadInstalled(ScriptEngineFactory.class);
+            ServiceLoader<ScriptEngineFactory> sl = AccessController.doPrivileged(
+                new PrivilegedAction<ServiceLoader<ScriptEngineFactory>>() {
+                    @Override
+                    public ServiceLoader<ScriptEngineFactory> run() {
+                        return getServiceLoader(loader);
                     }
+                });
+
             itr = sl.iterator();
         } catch (ServiceConfigurationError err) {
             System.err.println("Can't find ScriptEngineFactory providers: " +