RFR: 8330005: RandomGeneratorFactory.getDefault() throws exception when the runtime image only has java.base module [v4]

[Raffaello Giulietti]

> Move all random generators mandated in package `java.util.random` and currently implemented in module `jdk.random` to module `java.base`, and remove module `jdk.random`.

Raffaello Giulietti has updated the pull request incrementally with one additional commit since the last revision:

  Added @uses javadoc tag for j.u.r.RandomGenerator in java.base.

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Changes:
  - all: https://git.openjdk.org/jdk/pull/18932/files
  - new: https://git.openjdk.org/jdk/pull/18932/files/fd84a28b..d502b245

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18932&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18932&range=02-03

  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/18932.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18932/head:pull/18932

PR: https://git.openjdk.org/jdk/pull/18932