Resolves [JDK-8220732](https://bugs.openjdk.org/browse/JDK-8220732?filter=42718). The additional guidance as been added to the javadoc for `setSeed(long)`
------------- Commit messages: - Resolves JDK-8220732. The additional guidance as been added to the javadoc for setSeed(long) Changes: https://git.openjdk.org/jdk/pull/9156/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=9156&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8220732 Stats: 5 lines in 1 file changed: 5 ins; 0 del; 0 mod Patch: https://git.openjdk.org/jdk/pull/9156.diff Fetch: git fetch https://git.openjdk.org/jdk pull/9156/head:pull/9156 PR: https://git.openjdk.org/jdk/pull/9156
