8163346: Update jmap-hashcode/Test8028623.java for better diagnostic of timeout.
Summary: Update jmap-hashcode/Test8028623.java to use LingeredApp and rename it to jhsdb/HeapDumpTest.java
Reviewed-by: dsamersoff, dholmes
Contributed-by: sharath.ballal@oracle.com
^build/
^dist/
^.idea/
nbproject/private/
^webrev
^.hgtip
^.bridge2
^.jib/
.DS_Store
.metadata/
.recommenders/