hg: jdk/submit15: 8249278: Revert JDK-8226253 which breaks the spec of AccessibleState.SHOWING for JList

[ambarish.rapte at oracle.com]

Changeset: cd3efff3ea7b
Author:    arapte
Date:      2020-07-16 06:35 +0530
URL:       https://hg.openjdk.java.net/jdk/submit15/rev/cd3efff3ea7b

8249278: Revert JDK-8226253 which breaks the spec of AccessibleState.SHOWING for JList
Reviewed-by: prr, serb

! src/java.desktop/share/classes/javax/swing/JList.java
! src/jdk.accessibility/windows/classes/com/sun/java/accessibility/internal/AccessBridge.java