[jdk18u] Integrated: 8280550: SplittableRandom#nextDouble(double,double) can return result >= bound

[Joe Darcy]

8280550: SplittableRandom#nextDouble(double,double) can return result >= bound

-------------

Commit messages:
 - Backport 0c42e43f77b91a50fedc3fddb74e17f910d8df2a

Changes: https://git.openjdk.java.net/jdk18u/pull/21/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk18u&pr=21&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8280550
  Stats: 54 lines in 2 files changed: 52 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk18u/pull/21.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk18u pull/21/head:pull/21

PR: https://git.openjdk.java.net/jdk18u/pull/21