git: openjdk/mobile: 8230526: jdk.internal.net.http.PlainProxyConnection is never reused by HttpClient

[duke]

Changeset: 10e4fd4b
Author:    Daniel Fuchs <dfuchs at openjdk.org>
Date:      2019-09-09 18:23:39 +0000
URL:       https://github.com/openjdk/mobile/commit/10e4fd4b

8230526: jdk.internal.net.http.PlainProxyConnection is never reused by HttpClient

Fixed the PlainProxyConnection lookup key.

Reviewed-by: chegar

! src/java.net.http/share/classes/jdk/internal/net/http/ConnectionPool.java
+ test/jdk/java/net/httpclient/PlainProxyConnectionTest.java