RFR: 7327: Constant Pool optimizations

[Jean-Philippe Bempel]

Fix topic name for Constant pools page. This avoid to have the same
results than the recording ones

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Commit messages:
 - 7327: Constant Pool optimizations

Changes: https://git.openjdk.java.net/jmc/pull/273/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jmc&pr=273&range=00
  Issue: https://bugs.openjdk.java.net/browse/JMC-7327
  Stats: 2 lines in 2 files changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jmc/pull/273.diff
  Fetch: git fetch https://git.openjdk.java.net/jmc pull/273/head:pull/273

PR: https://git.openjdk.java.net/jmc/pull/273