hg: code-tools/jtreg: Improve reflective creation of objects

[jonathan.gibbons at oracle.com]

Changeset: b9186769aee9
Author:    jjg
Date:      2018-07-27 13:31 -0700
URL:       http://hg.openjdk.java.net/code-tools/jtreg/rev/b9186769aee9

Improve reflective creation of objects

! src/share/classes/com/sun/javatest/regtest/agent/GetJDKProperties.java
! src/share/classes/com/sun/javatest/regtest/config/RegressionTestFinder.java
! src/share/classes/com/sun/javatest/regtest/exec/CompileAction.java
! src/share/classes/com/sun/javatest/regtest/exec/RegressionScript.java
! src/share/classes/com/sun/javatest/regtest/tool/Tool.java