hg: jdk/sandbox: 8223040: Add a AsyncGetCallTrace test

[chris.hegarty at oracle.com]

Changeset: ea4774a27d9f
Author:    jcbeyler
Date:      2019-05-08 15:36 -0700
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/ea4774a27d9f

8223040: Add a AsyncGetCallTrace test
Summary: Add a AsyncGetCallTrace test
Reviewed-by: sspitsyn, dcubed

! make/test/JtregNativeHotspot.gmk
+ test/hotspot/jtreg/serviceability/AsyncGetCallTrace/MyPackage/ASGCTBaseTest.java
+ test/hotspot/jtreg/serviceability/AsyncGetCallTrace/libAsyncGetCallTraceTest.cpp