RFR: 8273491: java.util.spi.LocaleServiceProvider spec contains statement that is too strict

[Naoto Sato]

Small spec clarification. Corresponding CSR has also been drafted.

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Commit messages:
 - 8273491: java.util.spi.LocaleServiceProvider spec contains statement that is too strict

Changes: https://git.openjdk.java.net/jdk/pull/5457/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=5457&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8273491
  Stats: 3 lines in 1 file changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk/pull/5457.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/5457/head:pull/5457

PR: https://git.openjdk.java.net/jdk/pull/5457