RFR: 8289797: tools/launcher/I18NArgTest.java fails on Japanese Windows environment [v6]

[KIRIYAMA Takuya]

> I removed a section of via JDK_JAVA_OPTIONS because including main class is not allowed in the specification.
> This behavior is added in JDK-8170832, which add JAVA_OPTIONS environment variable. At this time, this test is mismatch with the specification.
> I tried to test and get Passed on Japanese Windows environment.
> Could you review this fix, please?

KIRIYAMA Takuya has updated the pull request incrementally with one additional commit since the last revision:

  8289797: tools/launcher/I18NArgTest.java fails on Japanese Windows environment

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Changes:
  - all: https://git.openjdk.org/jdk/pull/9389/files
  - new: https://git.openjdk.org/jdk/pull/9389/files/1149de31..73c99724

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=9389&range=05
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=9389&range=04-05

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/9389.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9389/head:pull/9389

PR: https://git.openjdk.org/jdk/pull/9389