hg: jdk9/sandbox/jdk: JEP-110-branch: Use new convenience collection factory method, where possible

[chris.hegarty at oracle.com]

Changeset: 943ec4a38071
Author:    chegar
Date:      2016-02-04 17:21 +0000
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/943ec4a38071

JEP-110-branch: Use new convenience collection factory method, where possible

! src/java.httpclient/share/classes/java/net/http/HttpRequestImpl.java