hg: code-tools/jtreg: Change default for allowSmartActionArgs to on for >= 4.2 b14

[jonathan.gibbons at oracle.com]

Changeset: 36c592d2f544
Author:    jjg
Date:      2018-12-11 13:55 -0800
URL:       http://hg.openjdk.java.net/code-tools/jtreg/rev/36c592d2f544

Change default for allowSmartActionArgs to on for >= 4.2 b14

! src/share/classes/com/sun/javatest/regtest/config/TestProperties.java
! src/share/doc/javatest/regtest/tag-spec.html
! test/smartActionArgs/TEST.ROOT
! test/smartActionArgs/optAuto/Test.java