[jdk18] RFR: 8279007: jstatd fails to start because SecurityManager is disabled

[Kevin Walls]

jstatd now in jdk18 fails to start unless we specifically allow or set a SecurityManager.
This update to the launcher makefile adds JAVA_ARGS to permit a SecurityManager.

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Commit messages:
 - 8279007: jstatd fails to start because SecurityManager is disabled

Changes: https://git.openjdk.java.net/jdk18/pull/53/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk18&pr=53&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8279007
  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk18/pull/53.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk18 pull/53/head:pull/53

PR: https://git.openjdk.java.net/jdk18/pull/53