hg: jdk/sandbox: 8209178: Proxied HttpsURLConnection doesn't send BODY when retrying POST request

[chris.hegarty at oracle.com]

Changeset: 94ca05133eb2
Author:    jboes
Date:      2019-09-26 12:35 +0100
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/94ca05133eb2

8209178: Proxied HttpsURLConnection doesn't send BODY when retrying POST request
Summary: Preserve BODY in poster output stream before sending CONNECT request
Reviewed-by: dfuchs, vtewari

! src/java.base/share/classes/sun/net/www/http/HttpClient.java
+ test/jdk/sun/net/www/http/HttpClient/B8209178.java