hg: jdk9/dev/jdk: 8026766: Add toString() to j.u.Locale.LanguageRange.

[yuka.kamiya at oracle.com]

Changeset: 18dc79370cc6
Author:    peytoia
Date:      2016-01-15 14:33 +0900
URL:       http://hg.openjdk.java.net/jdk9/dev/jdk/rev/18dc79370cc6

8026766: Add toString() to j.u.Locale.LanguageRange.
Reviewed-by: okutsu

! src/java.base/share/classes/java/util/Locale.java
+ test/java/util/Locale/Bug8026766.java