Add a super admin client builder w/ hosts params (opensearch-project#322)

Signed-off-by: bowenlan-amzn <bowenlan23@gmail.com>

Signed-off-by: bowenlan-amzn <bowenlan23@gmail.com>

Author: bowenlan-amzn

src/main/java/org/opensearch/commons/rest/SecureRestClientBuilder.java

@@ -138,6 +138,15 @@ public SecureRestClientBuilder(Settings settings, Path configPath) {
         hosts.add(new HttpHost(httpSSLEnabled ? ConfigConstants.HTTPS : ConfigConstants.HTTP, host, port));
     }
 
+    public SecureRestClientBuilder(Settings settings, Path configPath, HttpHost[] httpHosts) {
+        this.httpSSLEnabled = settings.getAsBoolean(ConfigConstants.OPENSEARCH_SECURITY_SSL_HTTP_ENABLED, false);
+        this.settings = settings;
+        this.configPath = configPath;
+        this.user = null;
+        this.passwd = null;
+        hosts.addAll(Arrays.asList(httpHosts));
+    }
+
     /**
      * Creates a low-level Rest client.
      * @return