git: openjdk/jdk11u-dev: 8259237: Demo selection changes with left/right arrow key. No need to press space for selection.

[Martin Doerr]

Changeset: a925af4e
Author:    Martin Doerr <mdoerr at openjdk.org>
Date:      2021-09-20 13:27:14 +0000
URL:       https://git.openjdk.java.net/jdk11u-dev/commit/a925af4e6249cc4b434dd4eb9e44a181156a22cf

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

Backport-of: 28ff2de1860bf70b1174fd434346be750d9dbf01

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