git: openjdk/jdk18: 8278604: SwingSet2 table demo does not have accessible description set for images

[Artem Semenov]

Changeset: 8fbe1724
Author:    Artem Semenov <asemenov at openjdk.org>
Date:      2021-12-17 19:31:51 +0000
URL:       https://git.openjdk.java.net/jdk18/commit/8fbe1724e0f783132a65c45503addad9d98a329e

8278604: SwingSet2 table demo does not have accessible description set for images
8278526: [macos] Screen reader reads SwingSet2 JTable row selection as null, dimmed row for last column

Reviewed-by: ant, kizune, pbansal

! src/demo/share/jfc/SwingSet2/TableDemo.java