GEODE-2238: Fix how peers discover locators with cluster config

Call super.process last in StartupResponseWithVersionMessage, so that
that threads waiting on the response will have the results of
dm.addHostedLocators.

geode-core/src/main/java/org/apache/geode/distributed/internal/StartupMessageReplyProcessor.java

@@ -101,15 +101,4 @@ protected void preWait() {
     // }
     // }
   }
-
-  /**
-   * overridden from ReplyProcessor21 to allow early-out. If an existing member accepted or rejected
-   * us then we are done.
-   */
-  @Override
-  protected boolean canStopWaiting() {
-    return this.receivedAcceptance || this.receivedRejectionMessage;
-  }
-
-
 }

geode-core/src/main/java/org/apache/geode/distributed/internal/StartupResponseWithVersionMessage.java

@@ -57,14 +57,14 @@ public StartupResponseWithVersionMessage() {
 
   @Override
   protected void process(DistributionManager dm) {
-    super.process(dm);
     if (this.hostedLocators != null) {
       dm.addHostedLocators(getSender(), this.hostedLocators, this.isSharedConfigurationEnabled);
     }
     if (logger.isDebugEnabled()) {
       logger.debug("Received StartupResponseWithVersionMessage from a member with version: {}",
           this.version);
     }
+    super.process(dm);
   }
 
   public int getDSFID() {