hg: jdk/jdk11: 8207152: Placeholder for Japanese new era should be two characters

[naoto.sato at oracle.com]

Changeset: 6a037fd949e4
Author:    naoto
Date:      2018-07-12 11:24 -0700
URL:       http://hg.openjdk.java.net/jdk/jdk11/rev/6a037fd949e4

8207152: Placeholder for Japanese new era should be two characters
Reviewed-by: rriggs

! src/jdk.localedata/share/classes/sun/text/resources/ext/FormatData_ja.java
! src/jdk.localedata/share/classes/sun/text/resources/ext/JavaTimeSupplementary_ja.java
! test/jdk/java/util/Calendar/JapaneseEraNameTest.java