RFR: 8374168: Resolve disabled warnings in JDWP agent [v2]

[Alex Menkov]

> The fix resolves disabled warnings in debugger agent

Alex Menkov has updated the pull request incrementally with one additional commit since the last revision:

  feedback

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Changes:
  - all: https://git.openjdk.org/jdk/pull/28937/files
  - new: https://git.openjdk.org/jdk/pull/28937/files/339229c2..79cfd6e3

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=28937&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=28937&range=00-01

  Stats: 4 lines in 2 files changed: 1 ins; 2 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/28937.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28937/head:pull/28937

PR: https://git.openjdk.org/jdk/pull/28937