[jdk11u-dev] RFR: 8293550: Optionally add get-task-allow entitlement to macos binaries

[Christoph Langer]

Backport of JDK-8293550

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Commit messages:
 - Backport da6fca4d78465625775f7b384ba752185694f699

Changes: https://git.openjdk.org/jdk11u-dev/pull/1739/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1739&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8293550
  Stats: 210 lines in 10 files changed: 158 ins; 45 del; 7 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1739.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev pull/1739/head:pull/1739

PR: https://git.openjdk.org/jdk11u-dev/pull/1739