hg: jdk/sandbox: 8214533: IBM-29626C is required for AIX default charset

[chris.hegarty at oracle.com]

Changeset: 1262a93634c2
Author:    itakiguchi
Date:      2019-01-24 12:52 -0500
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/1262a93634c2

8214533: IBM-29626C is required for AIX default charset
Reviewed-by: alanb, rriggs

! make/data/charsetmapping/charsets
! make/data/charsetmapping/stdcs-aix
+ src/jdk.charsets/share/classes/sun/nio/cs/ext/IBM29626C.java.template