[jdk21u-dev] RFR: 8331011: [XWayland] TokenStorage fails under Security Manager

[Martin Doerr]

Clean backport of [JDK-8331011](https://bugs.openjdk.org/browse/JDK-8331011).

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Commit messages:
 - Backport 9912abf586f4e0f76591639ae18d5c074edaa2c5

Changes: https://git.openjdk.org/jdk21u-dev/pull/780/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=780&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8331011
  Stats: 46 lines in 1 file changed: 26 ins; 0 del; 20 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/780.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/780/head:pull/780

PR: https://git.openjdk.org/jdk21u-dev/pull/780