8327218: Add an ability to specify modules which should have native access enabled

Co-authored-by: Maurizio Cimadamore <mcimadamore@openjdk.org>
Reviewed-by: mcimadamore, erikj, alanb, ihse

src/java.base/share/classes/java/lang/System.java

@@ -2459,6 +2459,9 @@ public final class System {
             public Module addEnableNativeAccess(Module m) {
                 return m.implAddEnableNativeAccess();
             }
+            public boolean addEnableNativeAccess(ModuleLayer layer, String name) {
+                return layer.addEnableNativeAccess(name);
+            }
             public void addEnableNativeAccessToAllUnnamed() {
                 Module.implAddEnableNativeAccessToAllUnnamed();
             }