RFR: 8333994: NMT: call stacks should show source information [v2]

[Thomas Stuefe]

> Patch adds printing of source file and line number to NMT call stacks that are printed in detail mode. Useful for hunting down leaks.

Thomas Stuefe has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains six additional commits since the last revision:

 - caching
 - Merge branch 'master' into JDK-8333994-NMT-call-stacks-should-show-source-information
 - exclude macos from testing source info
 - copyrights
 - test
 - JDK-8333994-NMT-call-stacks-should-show-source-information

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/19655/files
  - new: https://git.openjdk.org/jdk/pull/19655/files/c6a20adb..63240369

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=19655&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=19655&range=00-01

  Stats: 6576 lines in 440 files changed: 4694 ins; 600 del; 1282 mod
  Patch: https://git.openjdk.org/jdk/pull/19655.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19655/head:pull/19655

PR: https://git.openjdk.org/jdk/pull/19655