RFR: 8220730: sun.security.provider.SecureRandom default constructor has wrong documentation [v3]

[Bradford Wetmore]

> This is to fix some out-of-date information in the javadoc for the SHA1PRNG that has generated a customer bug.

Bradford Wetmore has updated the pull request incrementally with one additional commit since the last revision:

  Code review comments

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/1461/files
  - new: https://git.openjdk.java.net/jdk/pull/1461/files/92637075..d7949a8f

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=1461&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=1461&range=01-02

  Stats: 14 lines in 1 file changed: 1 ins; 0 del; 13 mod
  Patch: https://git.openjdk.java.net/jdk/pull/1461.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/1461/head:pull/1461

PR: https://git.openjdk.java.net/jdk/pull/1461