[lworld] RFR: 8374946: [lworld] serviceability/sa/ClhsdbTestAllocationMerge.java failed with Can't print deadlocks

[Alex Menkov]

The fix updates SA to reflect changes in hotspot introduced by array metadata rework (JDK-8366705)

testing:
  tier1,tier2,hs-tier5-svc;
  test/hotspot/jtreg/serviceability/sa/ with and without "-Xcomp"

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Commit messages:
 - fix

Changes: https://git.openjdk.org/valhalla/pull/2084/files
  Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=2084&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8374946
  Stats: 6 lines in 2 files changed: 4 ins; 1 del; 1 mod
  Patch: https://git.openjdk.org/valhalla/pull/2084.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/2084/head:pull/2084

PR: https://git.openjdk.org/valhalla/pull/2084