git: openjdk/jdk16: 8259237: Demo selection changes with left/right arrow key. No need to press space for selection.

[Pankaj Bansal]

Changeset: 28ff2de1
Author:    Pankaj Bansal <pbansal at openjdk.org>
Date:      2021-01-12 09:46:06 +0000
URL:       https://git.openjdk.java.net/jdk16/commit/28ff2de1

8259237: Demo selection changes with left/right arrow key. No need to press space for selection.

Reviewed-by: psadhukhan, kizune, serb

! src/java.desktop/share/classes/javax/swing/plaf/basic/BasicButtonUI.java
! test/jdk/javax/swing/ButtonGroup/TestButtonGroupFocusTraversal.java