[jdk18u] Integrated: 8280950: RandomGenerator:NextDouble() default behavior non conformant after JDK-8280550 fix

[Joe Darcy]

8280950: RandomGenerator:NextDouble() default behavior non conformant after JDK-8280550 fix

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Commit messages:
 - Backport 0e70d4504c267174738485c7da82a2ac0ef09770

Changes: https://git.openjdk.java.net/jdk18u/pull/22/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk18u&pr=22&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8280950
  Stats: 42 lines in 2 files changed: 39 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk18u/pull/22.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk18u pull/22/head:pull/22

PR: https://git.openjdk.java.net/jdk18u/pull/22