RFR: CODETOOLS-7903569: JOL: Use human-readable class names consistently [v2]

[Aleksey Shipilev]

> There are a couple of places, where we print out JVM names for classes. Notably, it happens during "footprint". We need to consistently use the human-readable class names everywhere.

Aleksey Shipilev has updated the pull request incrementally with one additional commit since the last revision:

  More conservative fix

-------------

Changes:
  - all: https://git.openjdk.org/jol/pull/51/files
  - new: https://git.openjdk.org/jol/pull/51/files/aa2bdc20..51679dda

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jol&pr=51&range=01
 - incr: https://webrevs.openjdk.org/?repo=jol&pr=51&range=00-01

  Stats: 9 lines in 2 files changed: 4 ins; 1 del; 4 mod
  Patch: https://git.openjdk.org/jol/pull/51.diff
  Fetch: git fetch https://git.openjdk.org/jol.git pull/51/head:pull/51

PR: https://git.openjdk.org/jol/pull/51