hg: jdk9/sandbox/jdk: 8152617: add missing wildcards to Optional or() and flatMap()

[chris.hegarty at oracle.com]

Changeset: fc62eb6bf650
Author:    smarks
Date:      2016-10-20 13:27 -0700
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/fc62eb6bf650

8152617: add missing wildcards to Optional or() and flatMap()
Reviewed-by: psandoz, forax

! src/java.base/share/classes/java/util/Optional.java