8249002: New serviceability/sa/ClhsdbFindPC.java #id2 and #id3 tests are failing with ZGC

Reviewed-by: iignatyev

Author: plummercj

test/hotspot/jtreg/ProblemList-zgc.txt

@@ -34,6 +34,8 @@ serviceability/sa/ClhsdbDumpheap.java                         8220624   generic-
 serviceability/sa/ClhsdbCDSJstackPrintAll.java                8220624   generic-all
 serviceability/sa/ClhsdbFindPC.java#id0                       8220624   generic-all
 serviceability/sa/ClhsdbFindPC.java#id1                       8220624   generic-all
+serviceability/sa/ClhsdbFindPC.java#id2                       8220624   generic-all
+serviceability/sa/ClhsdbFindPC.java#id3                       8220624   generic-all
 serviceability/sa/ClhsdbInspect.java                          8220624   generic-all
 serviceability/sa/ClhsdbJdis.java                             8220624   generic-all
 serviceability/sa/ClhsdbJhisto.java                           8220624   generic-all