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

[jcbeyler at google.com]

Changeset: e76e045a73be
Author:    jcbeyler
Date:      2019-05-08 15:36 -0700
URL:       http://hg.openjdk.java.net/jdk/submit/rev/e76e045a73be

8223040: Add a AsyncGetCallTrace test
Summary:
Reviewed-by:

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