hg: code-tools/jtreg: 2 new changesets

[jonathan.gibbons at oracle.com]

Changeset: 304e43a901b2
Author:    jjg
Date:      2020-06-12 10:07 -0700
URL:       https://hg.openjdk.java.net/code-tools/jtreg/rev/304e43a901b2

add support for explicit -retain:lastRun

! src/share/classes/com/sun/javatest/regtest/config/RegressionParameters.java
! src/share/classes/com/sun/javatest/regtest/tool/Tool.java
! src/share/classes/com/sun/javatest/regtest/tool/i18n.properties

Changeset: c3b2e8685169
Author:    jjg
Date:      2020-06-12 10:12 -0700
URL:       https://hg.openjdk.java.net/code-tools/jtreg/rev/c3b2e8685169

set default version to 5.2

! make/Defs.gmk