RFR: 4958071: (spec) confusing exception list for javax.crypto.Cipher.init(...) for [v2]

[Kevin Driver]

> Fix for JDK-4958071 to add additional @throws stanza to javadocs for all init methods

Kevin Driver has updated the pull request incrementally with one additional commit since the last revision:

  adding test to demonstrate exception being thrown

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Changes:
  - all: https://git.openjdk.org/jdk/pull/9860/files
  - new: https://git.openjdk.org/jdk/pull/9860/files/a11d57ab..d0f62e66

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=9860&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=9860&range=00-01

  Stats: 102 lines in 1 file changed: 102 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/9860.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9860/head:pull/9860

PR: https://git.openjdk.org/jdk/pull/9860