hg: code-tools/jtreg: 2 new changesets

[jonathan.gibbons at oracle.com]

Changeset: 9e1ad894f276
Author:    jjg
Date:      2020-06-16 08:04 -0700
URL:       https://hg.openjdk.java.net/code-tools/jtreg/rev/9e1ad894f276

add FAQ reference to doc/testing.md

! src/share/doc/javatest/regtest/faq.md

Changeset: f444ef733f5d
Author:    jjg
Date:      2020-06-16 08:11 -0700
URL:       https://hg.openjdk.java.net/code-tools/jtreg/rev/f444ef733f5d

improve command-line help for -retain

! src/share/classes/com/sun/javatest/regtest/tool/i18n.properties