[jdk17u-dev] RFR: 8282551: Properly initialize L32X64MixRandom state

[Severin Gehwolf]

Issue is present in OpenJDK 17u too. Without this fix the first int value of the default RandomGenerator will be the same. Clean backport.

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Commit messages:
 - Backport ce18ff8527cc51805bf11c50c050ea64c3f9dec0

Changes: https://git.openjdk.java.net/jdk17u-dev/pull/286/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u-dev&pr=286&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8282551
  Stats: 2 lines in 1 file changed: 2 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk17u-dev/pull/286.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u-dev pull/286/head:pull/286

PR: https://git.openjdk.java.net/jdk17u-dev/pull/286