git: openjdk/jdk: 8278456: Define jtreg jdk_desktop test group time-based sub-tasks for use by headful testing.

[Phil Race]

Changeset: 81c56c70
Author:    Phil Race <prr at openjdk.org>
Date:      2021-12-10 21:02:28 +0000
URL:       https://git.openjdk.java.net/jdk/commit/81c56c700a47c7f1b7855052de17eb88fac84674

8278456: Define jtreg jdk_desktop test group time-based sub-tasks for use by headful testing.

Reviewed-by: serb, aivanov, psadhukhan

! test/jdk/TEST.groups