set useLaxCookieEncoder in DefaultAHCConfig.Builder constructor (AsyncHttpClient#1573)

Author: Andrew Sumin

client/src/main/java/org/asynchttpclient/DefaultAsyncHttpClientConfig.java

@@ -754,6 +754,7 @@ public Builder(AsyncHttpClientConfig config) {
       realm = config.getRealm();
       maxRequestRetry = config.getMaxRequestRetry();
       disableUrlEncodingForBoundRequests = config.isDisableUrlEncodingForBoundRequests();
+      useLaxCookieEncoder = config.isUseLaxCookieEncoder();
       disableZeroCopy = config.isDisableZeroCopy();
       keepEncodingHeader = config.isKeepEncodingHeader();
       proxyServerSelector = config.getProxyServerSelector();