RFR: JDK-8287011: Improve container information [v4]

[Matthias Baesken]

> The change adds some potentially interesting cgroup v1 and v2 metrics to hs_err / hs_info files.

Matthias Baesken 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 four additional commits since the last revision:

 - Merge remote-tracking branch 'origin/master' into JDK-8287011
 - handle new cgroupv1 and v2 values in TestMisc
 - adjust output in os_linux.cpp
 - JDK-8287011

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Changes:
  - all: https://git.openjdk.org/jdk/pull/8991/files
  - new: https://git.openjdk.org/jdk/pull/8991/files/e90a3046..cbcf985b

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=8991&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=8991&range=02-03

  Stats: 115099 lines in 1797 files changed: 56370 ins; 48550 del; 10179 mod
  Patch: https://git.openjdk.org/jdk/pull/8991.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/8991/head:pull/8991

PR: https://git.openjdk.org/jdk/pull/8991