Update method name and comments

Author: KostasTsiounis

closed/src/java.base/share/classes/openj9/internal/security/RestrictedSecurity.java

@@ -232,10 +232,10 @@ public static boolean isFIPSEnabled() {
     }
 
     /**
-     * Check if the service is allowed in restricted security mode.
+     * Check if the service is allowed to be used in restricted security mode.
      *
      * @param service the service to check
-     * @return true if the service is allowed
+     * @return true if the service is allowed to be used
      */
     public static boolean isServiceAllowed(Service service) {
         if (securityEnabled) {
@@ -245,12 +245,12 @@ public static boolean isServiceAllowed(Service service) {
     }
 
     /**
-     * Check if the service is allowed in restricted security mode.
+     * Check if the service is allowed to be registered in restricted security mode.
      *
      * @param service the service to check
-     * @return true if the service is allowed
+     * @return true if the service is allowed to be registered
      */
-    public static boolean canServiceBeAdded(Service service) {
+    public static boolean canServiceBeRegistered(Service service) {
         if (securityEnabled) {
             return restricts.isRestrictedServiceAllowed(service, true);
         }

src/java.base/share/classes/java/security/Provider.java

@@ -1238,7 +1238,7 @@ protected void putService(Service s) {
             throw new IllegalArgumentException
                     ("service.getProvider() must match this Provider object");
         }
-        if (!RestrictedSecurity.canServiceBeAdded(s)) {
+        if (!RestrictedSecurity.canServiceBeRegistered(s)) {
             // We're in restricted security mode which does not allow this service,
             // return without registering.
             return;