hg: jdk10/master: 8189952: New methods on String: chars() and codePoints() should be marked since 9

[joe.darcy at oracle.com]

Changeset: 30186b6741b8
Author:    darcy
Date:      2017-10-26 18:04 -0700
URL:       http://hg.openjdk.java.net/jdk10/master/rev/30186b6741b8

8189952: New methods on String: chars() and codePoints() should be marked since 9
Reviewed-by: bpb

! src/java.base/share/classes/java/lang/String.java