RFR: JDK-8267176: StandardDoclet should provide access to Reporter and Locale

[Jonathan Gibbons]

Please review a simple change for StandardDoclet to expose the locale and reporter with which it was initialized.

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Commit messages:
 - fix whitespace
 - JDK-8267865: StandardDoclet should provide access to Reporter and Locale

Changes: https://git.openjdk.java.net/jdk/pull/4233/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4233&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8267176
  Stats: 38 lines in 3 files changed: 22 ins; 14 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4233.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4233/head:pull/4233

PR: https://git.openjdk.java.net/jdk/pull/4233