[8u] request for approval: 8076554: [macosx] Custom Swing text components need to allow standard accessibility

[Mikhail Cherkasov]

Hi,

it's a direct backport from jdk9 to jdk8:

webrev:http://cr.openjdk.java.net/~mcherkas/8076554/webrev.00/
jbs: https://bugs.openjdk.java.net/browse/JDK-8076554
jdk9 changeset: http://hg.openjdk.java.net/jdk9/jdk9/jdk/rev/d5322b45852d
jdk9 review: 
http://mail.openjdk.java.net/pipermail/swing-dev/2016-April/005762.html

Thanks,
Mikhail.