RFR: 8314209: Wrong @since tag for RandomGenerator::equiDoubles

[Raffaello Giulietti]

Please review this trivial typo.
TIA

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Commit messages:
 - 8314209: Wrong @since tag for RandomGenerator::equiDoubles

Changes: https://git.openjdk.org/jdk/pull/15303/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=15303&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8314209
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/15303.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15303/head:pull/15303

PR: https://git.openjdk.org/jdk/pull/15303