RFR: 8258917: NativeMemoryTracking is handled by launcher inconsistenly [v3]

[Alex Menkov]

> The fix adds NMT handling for non-java launchers

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

  Updated comment

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/2106/files
  - new: https://git.openjdk.java.net/jdk/pull/2106/files/69c63609..dd6f9617

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=2106&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=2106&range=01-02

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/2106.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/2106/head:pull/2106

PR: https://git.openjdk.java.net/jdk/pull/2106