hg: jdk9/dev/jdk: 8054214: JapaneseEra.getDisplayName doesn't return names if it's an additional era

[masayoshi.okutsu at oracle.com]

Changeset: 21b45d72c6c0
Author:    okutsu
Date:      2016-12-15 13:08 +0900
URL:       http://hg.openjdk.java.net/jdk9/dev/jdk/rev/21b45d72c6c0

8054214: JapaneseEra.getDisplayName doesn't return names if it's an additional era
Reviewed-by: rriggs, naoto

! src/java.base/share/classes/java/time/chrono/JapaneseEra.java
! test/java/util/Calendar/SupplementalJapaneseEraTest.java
! test/java/util/Calendar/SupplementalJapaneseEraTest.sh