hg: jdk10/hs/hotspot: 8177968: Add GC stress test TestGCLocker

[erik.helin at oracle.com]

Changeset: 90d90e261ab2
Author:    ehelin
Date:      2017-04-18 11:01 +0200
URL:       http://hg.openjdk.java.net/jdk10/hs/hotspot/rev/90d90e261ab2

8177968: Add GC stress test TestGCLocker
Reviewed-by: pliden, lmesnik

! make/test/JtregNative.gmk
+ test/gc/stress/gclocker/TestGCLocker.java
+ test/gc/stress/gclocker/TestGCLockerWithCMS.java
+ test/gc/stress/gclocker/TestGCLockerWithG1.java
+ test/gc/stress/gclocker/TestGCLockerWithParallel.java
+ test/gc/stress/gclocker/TestGCLockerWithSerial.java
+ test/gc/stress/gclocker/libTestGCLocker.c