RFR: JDK-8284112 Minor cleanup could be done in javax.crypto [v3]

[Mark Powers]

> JDK-8284112 Minor cleanup could be done in javax.crypto

Mark Powers has updated the pull request incrementally with one additional commit since the last revision:

  cleanup

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/8214/files
  - new: https://git.openjdk.java.net/jdk/pull/8214/files/86a546bc..3c123c32

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=8214&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=8214&range=01-02

  Stats: 2 lines in 2 files changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/8214.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/8214/head:pull/8214

PR: https://git.openjdk.java.net/jdk/pull/8214