hg: code-tools/jtreg: 7902198: Improve handling of streams in agent mode

[jonathan.gibbons at oracle.com]

Changeset: 3cffca0e0907
Author:    jjg
Date:      2018-06-28 15:01 -0700
URL:       http://hg.openjdk.java.net/code-tools/jtreg/rev/3cffca0e0907

7902198: Improve handling of streams in agent mode

! make/Defs.gmk
! src/share/classes/com/sun/javatest/regtest/agent/ActionHelper.java
! src/share/classes/com/sun/javatest/regtest/agent/AgentServer.java
! src/share/classes/com/sun/javatest/regtest/agent/CompileActionHelper.java
! src/share/classes/com/sun/javatest/regtest/agent/MainActionHelper.java
! src/share/classes/com/sun/javatest/regtest/exec/CompileAction.java
+ test/agentout/AgentOut.gmk
+ test/agentout/AnnoProc.java
+ test/agentout/CompileTest.java
+ test/agentout/MainTest.java
+ test/agentout/TEST.ROOT