RFR: 8292384: Convert AdapterHandlerTable to ResourceHashtable [v2]

[Coleen Phillimore]

> The adapter handler table was a Hashtable, and has been converted to Resourcehashtable, without any complications.
> Tested with tier1-3 (4-7) previously with other changes.

Coleen Phillimore has updated the pull request incrementally with one additional commit since the last revision:

  Remove the mtCode Hashtable instantiations.

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Changes:
  - all: https://git.openjdk.org/jdk/pull/9885/files
  - new: https://git.openjdk.org/jdk/pull/9885/files/6f4cd93d..bee86454

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=9885&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=9885&range=00-01

  Stats: 2 lines in 1 file changed: 0 ins; 2 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/9885.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9885/head:pull/9885

PR: https://git.openjdk.org/jdk/pull/9885