RFR: JDK-8285504 Minor cleanup could be done in javax.net [v3]

[Mark Powers]

> https://bugs.openjdk.java.net/browse/JDK-8285504
> 
> JDK-8273046 is the umbrella bug for this bug. The changes were too large for a single code review, so it was decided to split into smaller chunks. This is one such chunk: 
> 
> open/src/java.base/share/classes/java/net

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

  jaikiran comments

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/8384/files
  - new: https://git.openjdk.java.net/jdk/pull/8384/files/d964c05a..7624f4a9

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=8384&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=8384&range=01-02

  Stats: 3 lines in 1 file changed: 1 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/8384.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/8384/head:pull/8384

PR: https://git.openjdk.java.net/jdk/pull/8384