RFR: 4847239: (spec) File.createTempFile() should make it clear that it doesn't create the temporary directory [v3]

[Brian Burkhalter]

> Augment the specification of `java.io.File.createTempFile(String,String,File)` to clarify its behavior with respect to the `File` parameter `directory`.

Brian Burkhalter has updated the pull request incrementally with one additional commit since the last revision:

  4847239: Modify File.createTempFile verbiage

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/4561/files
  - new: https://git.openjdk.java.net/jdk/pull/4561/files/453600c1..0cd7310d

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=4561&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=4561&range=01-02

  Stats: 6 lines in 1 file changed: 0 ins; 0 del; 6 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4561.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4561/head:pull/4561

PR: https://git.openjdk.java.net/jdk/pull/4561