RFR: 8293969: breakup the long signature in SystemDictionaryShared::is_supported_invokedynamic

[Matias Saavedra Silva]

Broke up signature into three lines. Tested with tier 1. Please review

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Commit messages:
 - 8293969: breakup the long signature in SystemDictionaryShared::is_supported_invokedynamic

Changes: https://git.openjdk.org/jdk/pull/10452/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=10452&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8293969
  Stats: 3 lines in 1 file changed: 2 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/10452.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/10452/head:pull/10452

PR: https://git.openjdk.org/jdk/pull/10452