[crac] RFR: 8347532: [CRaC] CRaCResetStartTime breaks cgroups caching [v2]

[Timofei Pushkin]

> Changes the effect of `-XX:+CRaCResetStartTime` from resetting `os::elapsed_counter()` to affecting only `RuntimeMxBean.getUptime()` results.

Timofei Pushkin has updated the pull request incrementally with one additional commit since the last revision:

  Add missing newline at EOF

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Changes:
  - all: https://git.openjdk.org/crac/pull/182/files
  - new: https://git.openjdk.org/crac/pull/182/files/29fbc5d0..4ea5ad1f

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=crac&pr=182&range=01
 - incr: https://webrevs.openjdk.org/?repo=crac&pr=182&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/crac/pull/182.diff
  Fetch: git fetch https://git.openjdk.org/crac.git pull/182/head:pull/182

PR: https://git.openjdk.org/crac/pull/182