RFR: 8265606: Reduce allocations in AdapterHandlerLibrary::get_adapter

[Claes Redestad]

Use stack allocated arrays used when looking up and creating adapters. Resource allocate if number of args grows large, which is relatively rare.

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Commit messages:
 - Avoid resource allocation for small arrays
 - Revert "8265606: Reduce allocations in AdapterHandlerLibrary::get_adapter"
 - 8265606: Reduce allocations in AdapterHandlerLibrary::get_adapter

Changes: https://git.openjdk.java.net/jdk/pull/3595/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3595&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8265606
  Stats: 13 lines in 1 file changed: 7 ins; 0 del; 6 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3595.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3595/head:pull/3595

PR: https://git.openjdk.java.net/jdk/pull/3595