RFR: JDK-8287011: Container information could be improved [v3]

[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 incrementally with one additional commit since the last revision:

  handle new cgroupv1 and v2 values in TestMisc

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/8991/files
  - new: https://git.openjdk.java.net/jdk/pull/8991/files/a6f6cf8a..e90a3046

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=8991&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=8991&range=01-02

  Stats: 13 lines in 1 file changed: 13 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/8991.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/8991/head:pull/8991

PR: https://git.openjdk.java.net/jdk/pull/8991