RFR: JDK-8293472: Incorrect container resource limit detection if manual cgroup fs mounts present [v12]

[王超]

> Similar to [JDK-8253435](https://bugs.openjdk.org/browse/JDK-8253435), when setting the mount path of cgroup controller "memory/cpu/cpuacct/pids", it should also discard duplicate items.

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

  Use regular exp

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Changes:
  - all: https://git.openjdk.org/jdk/pull/10193/files
  - new: https://git.openjdk.org/jdk/pull/10193/files/9bc1f325..c4109d65

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=10193&range=11
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=10193&range=10-11

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/10193.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/10193/head:pull/10193

PR: https://git.openjdk.org/jdk/pull/10193