hg: jdk/sandbox: 8238943: switch to jtreg 5.0

[chris.hegarty at oracle.com]

Changeset: d8c731f7aeda
Author:    iignatyev
Date:      2020-02-24 11:50 -0800
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/d8c731f7aeda

8238943: switch to jtreg 5.0
Reviewed-by: erikj, jjg, joehw

! make/conf/jib-profiles.js
! test/hotspot/jtreg/TEST.ROOT
! test/jaxp/TEST.ROOT
! test/jdk/TEST.ROOT
! test/langtools/TEST.ROOT
! test/nashorn/TEST.ROOT