git: openjdk/jdk: 7148092: [macosx] When Alt+down arrow key is pressed, the combobox popup does not appear.

[Prasanta Sadhukhan]

Changeset: c42ef70a
Author:    Prasanta Sadhukhan <psadhukhan at openjdk.org>
Date:      2022-09-28 08:50:58 +0000
URL:       https://git.openjdk.org/jdk/commit/c42ef70a453690ecdccc570161fdfda58318ecc6

7148092: [macosx] When Alt+down arrow key is pressed, the combobox popup does not appear.

Reviewed-by: prr, serb

! src/java.desktop/macosx/classes/com/apple/laf/AquaComboBoxUI.java
! src/java.desktop/macosx/classes/com/apple/laf/AquaKeyBindings.java
+ test/jdk/javax/swing/plaf/aqua/TestAltUpDownComboBox.java