RFR: 8367025: zIndexDistributor.hpp uses angle-bracket inclusion of globalDefinitions.hpp

[Guanqiang Han]

trivial change

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Commit messages:
 - Update zIndexDistributor.hpp

Changes: https://git.openjdk.org/jdk/pull/27133/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=27133&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8367025
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/27133.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27133/head:pull/27133

PR: https://git.openjdk.org/jdk/pull/27133