RFR: [bworld-apis] adding bangs to java.util.Spliterator

[Vicente Romero]

adding bangs to java.util.Spliterator

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Commit messages:
 - adding bangs to java.util.Spliterator

Changes: https://git.openjdk.org/valhalla/pull/2120/files
  Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=2120&range=00
  Stats: 353 lines in 43 files changed: 0 ins; 121 del; 232 mod
  Patch: https://git.openjdk.org/valhalla/pull/2120.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/2120/head:pull/2120

PR: https://git.openjdk.org/valhalla/pull/2120